Copyright © Philip M. Parker, INSEAD. Terms of Use.
Definitions: Efficiency |
EfficiencyNoun1. The ratio of the output to the input of any system. 2. Skillfulness in avoiding wasted time and effort; "she did the work with great efficiency". Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
Date "efficiency" was first used in popular English literature: sometime before 1702. (references) |
| Domain | Definitions |
Aerospace | Of a device with respect to a physical quantity which may be stored, transferred, or transformed by the device, the ratio of the useful output of the quantity to its total input.Unless specifically stated otherwise, the term efficiency means efficiency with respect to power. (references) |
Computing | The extent to which software performs its intended functions with a minimum consumption of computing resources. Source: European Union. (references) |
Electrical Engineering | The ratio of output to input, usually given as a percentage. Source: European Union. (references) |
| The ratio of the output of the cell or battery to the input required to restore the initial state of charge under specified conditions of temperature, rate of discharge and final voltage. Source: European Union. (references) | |
| The ratio of the energy output to the energy input of a process or a machine. Source: European Union. (references) | |
Energy | Under the First Law of Thermodynamics, efficiency is the ratio of work or energy output to work or energy input, and cannot exceed 100 percent. Efficiency under the Second Law of Thermodynamics is determined by the ratio of the theoretical minimum energy that is required to accomplish a task relative to the energy actually consumed to accomplish the task. Generally, the measured efficiency of a device, as defined by the First Law, will be higher than that defined by the Second Law. (references) |
| The ratio of the useful energy deliveredbya dynamic system (such as a machine, engine, or motor) to the energy supplied to itover the same period or cycle of operation. The ratio is usually determined underspecific test conditions. (references) | |
Food & Agriculture | Output work per time unit. Source: European Union. (references) |
Math | The resources an algorithm used to find an answer. It is usually measured in terms of the theoretical computations, such as comparisons or data moves, the memory used, the number of messages passed, the number of disk accesses, etc. (references) |
Metallurgy | The ratio between the cutting power and the power consumption of the machine tool. Source: European Union. (references) |
Mining | CERCHAR. Source: European Union. (references) |
Statistics | In statistical estimation, it is an attempt to measure objectively the relative merits of several possible estimators. Source: European Union. (references) |
Source: compiled by the editor from various references; see credits. | |
(From Wikipedia, the free Encyclopedia)
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Efficiency."
Synonyms: EfficiencySynonyms: Ability, Agency, Capacity, Efficacy. (additional references) |
| Antonym: inefficiency (n). (additional references) |
| Context | Synonyms within Context (source: adapted from Roget's Thesaurus). |
Power | Ability; ableness; Adjective: competency; efficacy; efficiency, productivity, expertise (skill) ; validity, cogency; enablement; vantage ground; influence. |
Utility | Noun: utility; usefulness; Adjective: efficacy, efficiency, adequacy; service, use, stead, avail; help; (aid); applicability; Adjective: subservience; (instrumentality); function; (business); value; worth; (goodness); money's worth; productiveness; cui bono; (intention); utilization; (use) step in the right direction. |
| Source: adapted from Roget's Thesaurus. | |
| Domain | Usage | |
Screenplays | I thought only I could repel women with that kind of raw efficiency. (Patch Adams; writing credit: Patch Adams; Maureen Mylander) It's that damned German efficiency. (One, Two, Three; writing credit: Ferenc Molnár; Billy Wilder) | |
Movie/TV Titles | Farm Efficiency (1920) Efficiency (1918) Health and Efficiency (1993) | |
Source: compiled by the editor from various references; see credits. | ||
| Domain | Title | ||
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Consumer Goods | |||
Source: compiled by the editor from various references; see credits. | |||
| Thumbnail | Description & Credit | Thumbnail | Description & Credit |
 | Isaac Ingalls Stevens Second Assistant-in-charge of Coast Survey office Increased efficiency of office Became first governor of Washington Territory - then Union Major General Killed at Chantilly, Virginia in 1862.Credit: Coast & Geodetic Survey Historical Image Collection. |  | Janice Richardson (left), NRCS Soil Conservation Technician, and Amber Bilak, Earth Team Volunteer assess irrigation efficiency on a side wheel roll sprinkler in an alfalfa field near Santaquin, UT. [Slide 97CS3148].Credit: Ron Nichols. |
 | Janice Richardson (left), NRCS Soil Conservation Technician, and Amber Bilak, Earth Team Volunteer assess irrigation efficiency on a side wheel roll sprinkler in an alfalfa field near Santaquin, UT. [Slide 97CS3149].Credit: Ron Nichols. |  | [Russian poster: An exercise break reduces fatigue, increases efficiency and strengthens health].Credit: National Library of Medicine. |
Source: compiled by the editor from various references; see credits. | |||
| Author | Quotation |
John Fitzgerald Kennedy | A city of southern efficiency and northern charm. |
Peter F. Drucker | Efficiency is doing better what is already being done. |
President John F. Kennedy | Somebody once said that Washington was a city of Northern charm and Southern efficiency. |
Source: compiled by the editor from various references. | |
| Author | Date | Quotation |
Treaty of Versailles | 1919 | The staff of the International Labour Office shall be appointed by the Director who shall, so far as is possible with due regard to the efficiency of the work of the Office, select persons of different nationalities A certain number of these persons shall be women. (reference) |
Source: compiled by the editor from various references. | ||
| Title | Author | Quote |
Grapes of Wrath | Steinbeck, John | Mrs. Wainwright grew quiet and stern with efficiency. |
Source: compiled by the editor from various references. | ||
| Subject | Topic | Quote |
Health | Regular exercise increases the efficiency or potency of your body's own insulin. (references) | |
Centralization of laboratory services improves efficiency and decreases the probability of error. (references) | ||
To improve the accuracy and efficiency of the test, screening should take place as close to discharge as possible. (references) | ||
Business | The need for energy efficiency runs through all sectors. (references) | |
In 1991, the government created the Energy Efficiency Advisory Committee. (references) | ||
The commercial sector has proactively taken up energy efficiency as an issue. (references) | ||
Economic History | Sweden | A very high level of efficiency characterizes the distribution system. (references) |
Peru | Since these new labor laws were passed, workers efficiency has risen substantially. (references) | |
Ukraine | Ukrainian thermal power generating plants now operate at 50-55 +ACU- efficiency rate. (references) | |
Human Rights | Kenya | The Attorney General's office reported that the officers were redeployed in order to enhance efficiency, not for any illegal activities. (references) |
Bulgaria | Observers have noted modest improvement in the efficiency of moving cases through the criminal system, although many serious systemic flaws remained. (references) | |
Bahamas | Haitians usually are repatriated within 48 hours, due to increased cooperation between Bahamian and Haitian authorities and improved efficiency in processing. (references) | |
Political Economy | TAIWAN | Imported autos face stringent noise, emission and fuel efficiency testing requirements. (references) |
EGYPT | Computerization of customs operations should improve efficiency and reduce the time required to clear goods. (references) | |
ARGENTINA | In 1997, the government merged the customs and tax collection authorities to boost revenues and improve efficiency. (references) | |
Political Rights | Libya | Corruption and favoritism, partly based on tribal origin, are major problems that adversely affect government efficiency. (references) |
Trade | Kenya | However, delays in payment from some PTA member countries have adversely affected the efficiency and operations of this scheme. (references) |
Hong Kong | The importance of trade finance to Hong Kong has resulted in a high level of bank efficiency in providing import payment services. (references) | |
Travel | Ghana | These vary greatly in capacity, price and efficiency. (references) |
Romania | The quality of U.S. products and services, the efficiency of American management practices, and the reliability of U.S. business partners are widely recognized. (references) | |
Thailand | Public transportation in the form of inter-city air-conditioned buses, and regular buses serve the general population and vary in comfort and efficiency . Inter-city rail service ranges from comfortable and efficient to primitive. (references) | |
Women | Mexico | The Constitution and labor laws provide that women shall have the same rights and obligations as men, and that "equal pay shall be given for equal work performed in equal jobs, hours of work, and conditions of efficiency." However, women in the work force generally are paid less than their male counterparts and are concentrated in lower-paying occupations. (references) |
Source: compiled by the editor from ICON Group International, Inc.; see credits. | ||
| Speaker | Term | Phrase(s) |
James Monroe | 1817-1825 | The actual state of the public accounts furnishes additional evidence of the efficiency of the present system of accountability in relation to the public expenditure. |
Andrew Jackson | 1829-1837 | Suggestions are made by the Secretary of various improvements, which deserve careful consideration, and most of which, if adopted, bid fair to promote the efficiency of this important branch of the public service. |
Grover Cleveland | 1885-1889; 1893-1897 | One mode of the misappropriation of public funds is avoided when appointments to office, instead of being the rewards of partisan activity, are awarded to those whose efficiency promises a fair return of work for the compensation paid to them. |
Woodrow Wilson | 1913-1921 | Sanitary laws, pure food laws, and laws determining conditions of labor which individuals are powerless to determine for themselves are intimate parts of the very business of justice and legal efficiency. |
Harry S. Truman | 1945-1953 | Adequate salaries will result in economies and improved efficiency in the conduct of Government business--gains that will far outweigh the immediate costs. |
Lyndon B. Johnson | 1963-1969 | Our economy owes much to the efficiency of our farmers. |
Gerald Ford | 1974-1977 | We are continuing to make economies to enhance the efficiency of our military forces. |
George Bush | 1989-1993 | A comprehensive national energy strategy that calls for energy conservation and efficiency, increased development and greater use of alternative fuels. |
Bill Clinton | 1993-2001 | This past December, America led the world to reach a historic agreement committing our nation to reduce greenhouse gas emissions through market forces, new technologies, energy efficiency. |
Source: compiled by the editor from various references. | ||
| "Efficiency" is generally used as a noun (singular) -- approximately 99.77% of the time. "Efficiency" is used about 3,550 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted) |
| Parts of Speech | Percent | Usage per 100 Million Words | Rank in English |
| Noun (singular) | 99.77% | 3,542 | 2,746 |
| Noun (proper) | 0.14% | 5 | 157,705 |
| Noun (common) | 0.08% | 3 | 202,518 |
| Total | 100.00% | 3,550 | N/A |
Source: compiled by the editor from several corpora; see credits.
| Country | Name |
| USA | Efficiency Lodge, Inc. |
| (more examples...) |
Source: compiled by the editor from Icon Group International, Inc.
Expressions using "efficiency": actual efficiency ♦ ampere hour efficiency ♦ Bahadur efficiency ♦ base transport efficiency ♦ efficiency apartment ♦ efficiency engineer ♦ efficiency expert ♦ Efficiency of a heat engine ♦ efficiency wage ♦ energy efficiency ratio ♦ equidistant efficiency curves ♦ Faraday efficiency ♦ fighting efficiency ♦ hitting efficiency ♦ light emitting efficiency ♦ low efficiency ♦ marketplace price efficiency ♦ maximum efficiency ♦ mean arithmetic efficiency ♦ mean planimetric efficiency ♦ mechanical efficiency of work ♦ metal removing efficiency ♦ operating efficiency ♦ propulsive efficiency ♦ quantum efficiency ♦ seasonal efficiency ♦ seasonal energy efficiency ratio ♦ stock removing efficiency ♦ with efficiency. Additional references. | |
| Hyphenated Usage | |
Beginning with "efficiency": efficiency-boosting, efficiency-directed, efficiency-effectiveness, efficiency-equity, efficiency-inducing, efficiency-maximizer, efficiency-minded, efficiency-promoting, efficiency-reducing, efficiency-seeking, efficiency-stimulating. | |
Ending with "efficiency": cost-efficiency, energy-efficiency, high-efficiency. | |
| Source: compiled by the editor from various references; see credits. | |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
efficiency spectral | 225 |
energy efficiency | 215 |
efficiency | 134 |
apartment efficiency | 50 |
fuel efficiency | 44 |
machine efficiency | 27 |
health and efficiency | 27 |
efficiency ratio | 22 |
air conditioner efficiency | 18 |
efficiency marketing sales | 16 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "efficiency"; alternative meanings/domain in parentheses. | |
Albanian | efikasitet (effectiveness, efficacy), efektshmëri (effectiveness, efficacy, performance), rendiment (performance), prodhimtari (bearing, fecundity, productivity, prolificacy). (various references) | |
Arabic | فعالية (activity, effectiveness, efficacy, influence, leverage, performance), كفاءة (ability, adequacy, aptitude, capability, capacity, competence, fitness, qualification, qualifications), جدارة (aptitude, competence, desert, eligibility, fitness, merit, qualification, suitability, worth, worthiness). (various references) | |
Bulgarian | способност (ability, aptness, bump, capability, capacity, competence, competency, faculty, fitness, flair, notion, power, quality, sufficiency, turn), работоспособност, квалификация (background, experience, qualification, timber, training), коефициент на полезно действие (performance), оперативност (operativness), производителност (output, out-turn, performance, productiveness, productivity, rating), изпълнителност (expedition), добив (issue, make, output, produce, yield). (various references) | |
Chinese | 效率 . (various references) | |
Czech | efektivnost, výkonnost, schopnost (ability, aptitude, capability, faculty, hand, intellect, power, skill, talent, vocation), úèinnost (effectiveness, efficacy, virtue). (various references) | |
Danish | efficiens, effektivitet (effectiveness, operating efficiency), virkningsgrad (metal removing efficiency, return, stock removing efficiency), vandudnyttelsesgrad, udbytte (balance, dividend, exploit, output, produce, production, profit, utilize, yield), præstation (output, performance, productivity, working capacity), overskud (electric utility surplus, oddments, over plus, over sheets, overs, paper overs, plus sheets, profit, spoils, surplus), nyttevirkning (useful yield), fortjeneste (earnings, profit), forrentning (profit), faktisk virkningsgrad (actual efficiency, operating efficiency, output, performance, work output), arbejdspræstation (output, performance, productivity, working capacity), aktuel virkningsgrad (actual efficiency, operating efficiency, output, performance, work output), afkastning (jettison, profit, unloading), afkast (profit). (various references) | |
Dutch | efficiency (operating efficiency), efficiëntie (operating efficiency), werkprestatie (output, performance, productivity, working capacity), verbruiksrendement (return), springstofvermogen, spaanvervormingscoofficiënt (metal removing efficiency, stock removing efficiency), rendement (return, return on assets, return on capital employed, return on equity, ROCE, stapling rate), potentieel van een springstof, opbrengst (harvest, income, proceeds, product, return), doeltreffendheid (effectiveness), doelmatigheid (effectiveness, operating efficiency, performance), arbeidsrendement (actual efficiency, operating efficiency, output, performance, work output), arbeidsprestatie (output, performance, productivity, working capacity). (various references) | |
Farsi | فعالیت مفید, میزان لیاقت , کفایت (Adequacy, Autarchy, Competence, Plenty, Sufficiency), کاراءی (Proficiency), تولید (Genesis, Manufacture, Output, Production, Turnout), عرضه (Exposition, Offer, Presentation, Proffer). (various references) | |
Finnish | tehokkuus (effectiveness, efficacy), hyötysuhde (metal removing efficiency, operating efficiency, return, stock removing efficiency). (various references) | |
French | rendement (metal removing efficiency, operating efficiency, stock removing efficiency), efficience (effort, operating efficiency), efficacité (effectiveness, efficacy, operating efficiency). (various references) | |
German | wirksamkeit (action, activity, effect, effectiveness, effectuality, efficacy, function, potency, virtue), leistungsfähigkeit (ability to work, capability, capacity, competitiveness, effectiveness, performance, performances, productivity, rating, solvency, throughput), Wirkungsgrad (metal removing efficiency, operating efficiency, return, stock removing efficiency), tüchtigkeit (ability, competence, proficiency, prowess), nutzeffekt (effectiveness, power), Effizienz (operating efficiency), Arbeitsleistung (actual efficiency, machine output, operating efficiency, output, performance, performance on production, production, productive output, productivity, work output, working capacity). (various references) | |
Greek | αποτελεσματικότητα (effectiveness, efficacy), αποδοτικότητα (actual efficiency, earning power, effectiveness, operating efficiency, output, performance, productiveness, profit earning capacity, profitability, work output). (various references) | |
Hebrew | יעילות (effectiveness, efficacy), יעול (making efficient, rationalization), צילות (exploitation), ציץ. (various references) | |
Hungarian | termelékenység (productiveness, productivity), hatékonyság (effect, effectiveness, efficacy, virtue), hatásfok (efficacy), eredményesség, teljesítmény (accomplishment, achievement, capacity, effect, efficacy, level of norm, output, performance, throughput, turning out, yield), rátermettség (aptitude, caliber, calibre, dower, faculty, gift, suitability), hathatósság (cogency), hatóerő (agency, effectiveness, efficacy), alkalmasság (adequacy, appropriateness, aptitude, aptness, competence, competency, eligibility, fitness, fittingness, neatness, seemliness, sufficiency, suitability). (various references) | |
Indonesian | efisiensi, kerapian (see: rapi, tidiness), keefisienan, kedayagunaan (usefulness). (various references) | |
Italian | efficienza (operating efficiency), rendimento (machine output, metal removing efficiency, output, performance, performance on production, produce, production, productive output, productivity, profit earning capacity, profitability, rate of return, return, stock removing efficiency, work output, yield). (various references) | |
Japanese Kanji | 能率 , 効率 , 効 (benefit, effect, efficacy, result, success), 性能 (ability), 実効 (efficacy), 実力 (arms, force, merit). (various references) | |
Japanese Katakana | のうりつ, せいのう (ability, hard-working farmer or agriculturalist, seminal vesicle), "うりつ (high rate, public, rate of production), "う (10^38, 1st in rank, 7th in rank, be bent, benefit, body cavity, boorish, box, clause, companion, compare with, daimyo, duke, effect, efficacy, entertainment, female phoenix bird, filial piety, first sign of the Chinese calendar, grade A, happiness, head, height, hill, hundred sextillion, hundred undecillion, incense, instep, interest, item, knoll, long ages, lord, luck, main, manuscript, marquis, paragraph, pleasure, prince, proof, public, result, rising ground, same kind, -school, season, sentence, seventh sign of the Chinese calendar, shell, subordinate, success, such, this, threat, thus, to ask, to be in love, to invite, to request, urgent, verbal pause, version, weather), じつりょく (arms, force, merit), じっ"う (efficacy, execution, performance, practice, realization). (various references) | |
Korean | 능 . (various references) | |
Manx | fondid (ableness, effectiveness, efficacy, faculty, solidity, stability, sufficency, validity). (various references) | |
Norwegian | effektivitet. (various references) | |
Pig Latin | efficiencyay.(various references) | |
Portuguese | rendimento (allowance, crop, fruit, income, incoming, metal removing efficiency, output, output power, proceeds, produce, production, productivity, rent-roll, return, revenue, stock removing efficiency, yield), eficiência (despatch, dispatch, metal removing efficiency, operating efficiency, stock removing efficiency, sufficiency), eficácia (availability, effect, effectiveness, effectual, operation). (various references) | |
Romanian | eficienţã, eficacitate (effectiveness, efficaciousness, efficacy, expedient), vrednicie (application, assiduity, diligence, honor, honour, sedulousness, valor, valour), randament (accomplishment, benefit, capability, capacity, effect, efficacy, load, output, outturn, performance, power, rating, return, yield), pregãtire (fix up, grounding, preparation, priming, provision, savvy, training), operativitate (efficacy, promptness), competenţã (ability, authority, capacity, cognizance, competence, expertness, fitness, jurisdiction, province, purview, reference, scope), capacitate (ability, capability, capaciousness, capacity, competence, content, fitness, gift, mastermind, measure, output, power, talent, tankage, volume). (various references) | |
Russian | эффективность (effectiveness, efficacy, performance). (various references) | |
Scottish | toirbheart, feart (a virtue, attention, deed, notice : na toir feart, virtue). (various references) | |
Serbo-Croatian | efikasnost (effectiveness, efficacy). (various references) | |
Spanish | eficacia (effectiveness, efficacy, relevance), rendimiento (ability, devotedness, metal removing efficiency, output, pace, performance, produce, production, pull, return, speed, stock removing efficiency, tear, throughput, throwput, yield), eficiencia (ability). (various references) | |
Swedish | effektivitet (effectiveness, efficacy), verkningsgrad (metal removing efficiency, operating efficiency, return, stock removing efficiency). (various references) | |
Thai | ความมีประสิทธิ าพ (efficacy). (various references) | |
Turkish | etkinlik (activity, forcefulness, operation, strength, trenchancy), etki (action, bearing, clout, drag, drift, effect, effectiveness, efficacy, force, forcefulness, hold, impact, impress, impression, imprint, incidence, influence, interest, jolt, leaven, penetration, point, potency, pull, purchase, reflection, reflexion, ring, sound, stamp, sway, virtue, weight), yeterlik (ability, adequacy, capacity, competence, competency, proficiency, qualification, sufficiency), yetenek (ability, accomplishment, accomplishments, aptitude, aptness, artistry, bent, caliber, calibre, capability, capacity, competence, competency, disposition, dower, dowry, facility, faculty, fitness, flair, gift, hand, instinct, parts, power, prerogative, quality, skill, talent, vocation), verim (capacity, crop, delivery, effect, feat, make, output, outturn, performance, rating, richness, run, turnout, yield), rasyonellik (rationality), işgüzarlık (beadledom, meddlesomeness, officiousness, pragmatism, supererogation). (various references) | |
Ukranian | спритність (ability, activity, adroitness, agility, alertness, artfulness, cleverness, deftness, knack, nimbleness, policy, readiness, sleight), рентабельність (profitability, profitableness), віддача (blow back, kick up, kickback, output, out-turn, recoil), вправність (address, adroitness, artfulness, competence, competency, craft, deftness, neatness, sharpness, subtlety), ефективність (effectiveness, efficacy, potency, strength), продуктивність (capacity, output, out-turn, power, production, productiveness, productivity), працездатність. (various references) | |
Vietnamese | khả năng năng suất, hiệu suất (productiveness, productivity), hiệu quả năng lực, hiệu lực (efficaciousness, efficacy, validity). (various references) | |
| Source: compiled by the editor from various translation references. | ||
| Language | Period | Translations |
| Latin | 500 BCE-Modern | efficacia. (various references) |
| Source: compiled by the editor from various references. | ||
Derivations | |
Words ending with "efficiency": inefficiency, superefficiency. (additional references) | |
| |
"Efficiency" is suggested in spellcheckers for the following: effciency, effeciency, effeiciency, efficeincy, efficency, efficiacy, efficiancy, efficicency, efficiecy, efficiencey, efficientcy, efficienty, effieciency, effiiciency, eficiency. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
| # of Phoneme Matches | Pronunciation | Word(s) rhyming with "efficiency" (pronounced ufi"shunsē) |
| 8 | u f i" sh u n s ē | deficiency, inefficiency, proficiency, sufficiency. |
| 7 | -f i" sh u n s ē | immunodeficiency. |
| 4 | -u n s ē | absorbency, accountancy, agency, ascendancy, ascendency, buoyancy, clemency, cogency, competency, complacency, Conservancy, consistency, constancy, constituency, consultancy, contingency, counterinsurgency, currency, decency, delinquency, dependency, despondency, discrepancy, dormancy, emergency, equivalency, excellency, exigency, expectancy, expediency, fluency, frequency, hesitancy, incompetency, inconsistency, inconstancy, incumbency, indecency, infancy, infrequency, insolvency, insurgency, interagency, irrelevancy, latency, leniency, malignancy, militancy, nonemergency, occupancy, poignancy, potency, pregnancy, presidency, redundancy, regency, relevancy, residency, resiliency, solvency, stridency, stringency, tenancy, tendency, transparency, truancy, urgency, vacancy, vagrancy, vibrancy. |
| 3 | -n s ē | bouncy, chancy, deviancy, fancy, fiancee, mincy, Nancy, necromancy, teensy. |
Source: compiled by the editor (additional references); see credits. | ||
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "c-c-e-e-f-f-i-i-n-y" | |
-5 letters: cynic, fence, ficin, niece, yince. | |
| Words containing the letters "c-c-e-e-f-f-i-i-n-y" | |
+2 letters: inefficiency. | |
+5 letters: superefficiency. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)45 66 66 69 63 69 65 6E 63 79 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references). ..-. ..-. .. -.-. .. . -. -.-. -.--. |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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Binary Code (1918-1938, probably earlier) (references)01000101 01100110 01100110 01101001 01100011 01101001 01100101 01101110 01100011 01111001 |
HTML Code (1990) (references)E f f i c i e n c y |
ISO 10646 (1991-1993) (references)0045 0066 0066 0069 0063 0069 0065 006E 0063 0079 |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
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Encryption (beginner's substitution cypher): (references)39727275697571806991 |
| 1. Definition 2. Synonyms 3. Crosswords 4. Usage: Modern | 5. Usage: Commercial 6. Images: Slideshow 7. Images: Photo Album 8. Quotations: Familiar | 9. Quotations: Historic 10. Quotations: Fiction 11. Quotations: Non-fiction 12. Quotations: Speeches | 13. Usage Frequency 14. Names: Company Usage 15. Expressions 16. Expressions: Internet | 17. Translations: Modern 18. Translations: Ancient 19. Derivations 20. Rhymes | 21. Anagrams 22. Orthography 23. Bibliography |
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