Copyright © Philip M. Parker, INSEAD. Terms of Use.
Definition: Circadian |
CircadianAdjective1. Of or relating to biological processes occurring at 24-hour intervals; "circadian rhythms". Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
Date "circadian" was first used: 1959 from the Latin expression "circa" or "about" plus diem. (references) |
| Domain | Definitions |
Health | Repeated more or less daily, i. e. on a 23- to 25-hour cycle. (references) |
Medicine | Repeated more or less daily i. e. on a 23 hr to 25 hr cycle. Source: European Union. (references) |
Source: compiled by the editor from various references; see credits. | |
Crosswords: Circadian |
| English words defined with "circadian": circadian rhythm ♦ jet lag. (references) |
| Specialty definitions using "circadian": Chronotherapy ♦ Delta Sleep-Inducing Peptide ♦ Sleep Disorders, Circadian Rhythm. (references) |
| Domain | Usage | |
Clever | Sleeping on the job: Ah, the unique and unpredictable circadian rhythms of the workaholic! (references; author: unknown) | |
Movie/TV Titles | Circadian Rhythms (1976) | |
Source: compiled by the editor from various references; see credits. | ||
| Domain | Title | ||
Books |
| ||
Music |
| ||
Source: compiled by the editor from various references; see credits. | |||
| Subject | Topic | Quote |
Health | Insomnia may also be related to circadian rhythm disorders. (references) | |
In part, these changes appear to represent a loss of effective circadian regulation of sleep. (references) | ||
The symptoms often exhibit circadian rhythmicity in their peak occurrence during awakening hours. (references) | ||
Source: compiled by the editor from ICON Group International, Inc.; see credits. | ||
| "Circadian" is generally used as an adjective (general or positive) -- approximately 88.46% of the time. "Circadian" is used about 26 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 |
| Adjective (general or positive) | 88.46% | 23 | 72,767 |
| Noun (singular) | 11.54% | 3 | 202,518 |
| Total | 100.00% | 26 | N/A |
Source: compiled by the editor from several corpora; see credits.
Expression using "circadian": Circadian Rhythm. Additional references. | |
| 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. |
| Language | Translations for "circadian"; alternative meanings/domain in parentheses. | ||||||||||||||||||||||
Chinese | "理节奏. (various references) | ||||||||||||||||||||||
Danish | døgnrytme (circadian rhythm). (various references) | ||||||||||||||||||||||
Dutch | circadiaans ritme (circadian rhythm). (various references) | ||||||||||||||||||||||
Finnish | vuorokausirytmi (circadian rhythm), sirkadiaaninen rytmi (circadian rhythm). (various references) | ||||||||||||||||||||||
French | circadien. (various references) | ||||||||||||||||||||||
German | zyklisch (cyclic, cyclical). (various references) | ||||||||||||||||||||||
Greek | νυχθημερής ρυθμός (circadian rhythm), εικοσιτετράωρος ρυθμός (circadian rhythm). (various references) | ||||||||||||||||||||||
Hungarian | naponkénti (daily, diurnal, quotidian), napi (current events, daily, day, diurnal, per day, quotidian), egynapi (diurnal). (various references) | ||||||||||||||||||||||
Italian | ritmo circadiano (circadian rhythm, daily rhythm). (various references) | ||||||||||||||||||||||
Japanese Kanji | 概日リズ (circadian rhythm). (various references) | ||||||||||||||||||||||
Japanese Katakana | がいじつリズ (circadian rhythm). (various references) | ||||||||||||||||||||||
Pig Latin | ircadiancay ritmo circadiano (circadian rhythm). (various references) ciclico. (various references) dygnsrytm (circadian rhythm). (various references) | ||||||||||||||||||||||
| Language | Period | Translations |
| Latin | 500 BCE-Modern | circa. (various references) |
| Source: compiled by the editor from various references. | ||
Misspellings | |
"Circadian" is suggested in spellcheckers for the following: cercaria, cercariae, cicadian, circadan, circadean, circaden, circadia, circadial, circandian, giscardian, picardian. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
| # of Phoneme Matches | Pronunciation | Word(s) rhyming with "circadian" (pronounced serkā"dēun) |
| 6 | -k ā" d ē u n | arcadian. |
| 4 | -d ē u n | accordion, collodion, comedian, custodian, Guardian, median, meridian, nickelodeon, obsidian, Odeon. |
| 3 | -ē u n | agrarian, alien, amphibian, authoritarian, barbarian, bohemian, Campion, carrion, centenarian, centurion, chameleon, champion, Clarion, contrarian, criterion, Cyprian, disciplinarian, draconian, egalitarian, equestrian, galleon, gorgonian, halcyon, herculean, historian, humanitarian, hyperborean, lesbian, libertarian, librarian, majoritarian, mammalian, mediterranean, Napoleon, nonsectarian, oblivion, octogenarian, ovarian, pagurian, parliamentarian, pedestrian, planarian, plutonian, praetorian, presbyterian, proletarian, salutatorian, scorpion, sectarian, seminarian, septuagenarian, simian, subterranean, symbion, theologian, thespian, totalitarian, unitarian, utilitarian, utopian, valedictorian, valerian, vegetarian, veterinarian. |
Source: compiled by the editor (additional references); see credits. | ||
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "a-a-c-c-d-i-i-n-r" | |
-2 letters: accidia, cardiac. | |
-3 letters: acarid, acidic, acinar, acinic, arnica, canard, cardia, carina, cicada, crania, radian, rancid. | |
-4 letters: acari, acini, acrid, caird, cairn, canid, circa, daric, dinar, drain, indri, nadir, naiad, naira, naric, nicad, radii, ranid, ricin. | |
-5 letters: acid, airn, aria, arid, caca, cadi, caid, cain, card, carn, darn, inia, irid, nada, narc, nard, nidi, raia. | |
| Words containing the letters "a-a-c-c-d-i-i-n-r" | |
+3 letters: intracardiac. | |
+4 letters: accreditation, archidiaconal, clairaudience. | |
+5 letters: accreditations, antidemocratic, clairaudiences, contraindicate, diachronically. | |
| 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)43 69 72 63 61 64 69 61 6E |
| Leonardo da Vinci (1452-1519; backwards) (references)
|
| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
|
| Semaphore (1791, in France) (references)
|
| Braille (1829, in France) (references)
|
Morse Code (1836) (references)-.-. .. .-. -.-. .- -.. .. .- -. |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
|
Binary Code (1918-1938, probably earlier) (references)01000011 01101001 01110010 01100011 01100001 01100100 01101001 01100001 01101110 |
HTML Code (1990) (references)C i r c a d i a n |
ISO 10646 (1991-1993) (references)0043 0069 0072 0063 0061 0064 0069 0061 006E |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
|
Encryption (beginner's substitution cypher): (references)377584696770756780 |
| Language | Coverage | Language Translations |
Chinese | 字典 , 定義 , 定义, 翻译 | 汉语, 中 , 漢 , 中國 , kineser, kiinalainen, Chinois, Chinesisch, Κινέζος, κινέζικα, κινέζικοσ, κινέζοσ, σινικόσ, kínai, cinese, チフス菌 , チャイニーズ , chinês, chino, kinesisk |
Danish | ordbog, deskriptordefinition, oversættelse | 丹麦语, tanskalainen, danois, dänisch, δανικόσ, δανόσ, dán, danese, dinamarquês, danés, dansk |
Dutch | woordenboek, definitie, translatie | 菏蘭語 , 荷兰语, hollandsk, hollantilainen, néerlandais, holländisch, ολλανδικόσ, ολλανδόσ, holland, olandese, holandês, holandés, holländsk |
Finnish | määritelmä, translaatio, taajuusmuutos | 芬蘭語 , 芬兰语, suomi, suomalainen, finnois, Finlandaise, finlandais, finnisch, φινλανδικόσ, finn, finlandese, finlandês, finês, finlandés, finés, finsk |
French | dictionnaire, définition, traduction | 法國 , 法文 , 法語 , 法语, ranskalainen, français, französisch, γαλλικόσ, γαλλική γλώσσα, γαλλίδα, γάλλοσ, francia, francese, フレコン化 , 仏文 , フランス" , 仏 , ふつぶ", ふつ, フレンチ , フランセ , francês, francés, fransk, franska |
German | wörterbuch, Übersetzung | 德语, 德國 , 德文 , 德語 , tysker, Duitse, saksalainen, allemand, deutsch, Deutsche, "ερμανός, német, tedesco, ジプシー音楽 , ジャーマン , alemão, alemán, tysk |
Greek | λεξικό, ορισμός, μετάφραση | 希腊语, 希臘語 , græker, kreikkalainen, grec, grieche, ελληνικόσ, 'Ελληνας, görög, greco, ギリシア語 , ギリシア", grego, griego, grek |
Hungarian | szótár, meghatározás, definíció, fordítás | 匈牙利语, 匈牙利語 , ungarer, Hongaarse, unkarilainen, hongrois, Ungar, Ούγγρος, magyar, ungherese, húngaro, ungrare |
Italian | dizionario, definizione, traduzione | 意大利 , 意大利語 , 意大利语, italiener, italialainen, italien, italienisch, Ιταλός, olasz, italiano, italiensk, italienska, italienare |
Japanese Kanji | 辭典 , 辞典 , 字引 , 辞林 , 字書 , ディーゼル電気車 , 言海 , 辞彙 , 辞書 , 確定 , ディーゼル電気車 , デ'ドロ酢酸 , 翻訳 | 日語 , 日语, 日本 , 日文 , 倭 , japanilainen, Japonais, japaner, japanisch, ιαπωνικόσ, Ιάπωνας· "ιαπωνέζος, ιάπωνεσ, ιάπων, ιαπωνικά, japán, giapponese, 邦語 , 邦人 , ジャスミン茶 , ほう", ジャパニーズ , ほうじ", japonês, japonés, japansk |
Japanese Katakana | じい, じびき, じて", ディクショナリー , じり", じしょ, '"かい, ディクショナリ , デフィニション , ディフィニション , ていぎ, かくてい, へい"ういどう, やくじゅつ, トランスレーション , やくしょ, やくしゅつ, "うどく, ほ"やく, ほ"やくしょ | 日語 , 日语, 日本 , 日文 , 倭 , japanilainen, Japonais, japaner, japanisch, ιαπωνικόσ, Ιάπωνας· "ιαπωνέζος, ιάπωνεσ, ιάπων, ιαπωνικά, japán, giapponese, 邦語 , 邦人 , ジャスミン茶 , ほう", ジャパニーズ , ほうじ", japonês, japonés, japansk |
Portuguese | dicionário, definição, tradução | 葡萄牙語 , 葡萄牙人 , 葡萄牙语, portugiser, portugalilainen, portugais, portugiesisch, πορτογάλοσ, ορτογάλος, portugál, portoghese, ポルトガル語 , ポルトガル", português, portugués, portugis |
Spanish | diccionario, definición, traducción | 西班牙語 , 西班牙文 , 西班牙语, Spaans, espanjalainen, espagnol, spanisch, ισπανικά, ισπανικόσ, ισπανοί, spanyol, spagnolo, スペイン語 , スパイ罪 , スペイン", スパニッシュ , espanhol, español, spanska språk, spansk |
Swedish | ordbok, lexikon, definition, översättning | 瑞典語 , 瑞典语, Zweeds, ruotsalainen, suédois, schwedisch, σουηδικόσ, σουηδικά, svéd, svedese, スウェーデン語 , スウェーデン", sueco, svensk |
English | Dictionary, Definition, Translation | 英语, 英國 , 英文 , 英 , 英語 , englantia, englantilainen, anglais, englisch, εγγλέζοσ, αγγλικόσ, angol, inglese, inglês, inglés, engelsk |
| 1. Definition 2. Crosswords 3. Usage: Modern 4. Usage: Commercial | 5. Quotations: Non-fiction 6. Usage Frequency 7. Expressions 8. Expressions: Internet | 9. Translations: Modern 10. Translations: Ancient 11. Derivations 12. Rhymes | 13. Anagrams 14. Orthography 15. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
