Cathode

Definitions: Cathode

Cathode

Noun

1. A negatively charged electrode that is the source of electrons in an electrical device.

2. The positively charged terminal of a voltaic cell or storage battery that supplies current.

Date "cathode" was first used: 1834. (references)

Etymology: Cathode \Cath"ode\, noun. [Greek expression descent; down way.]. (Websters 1913)

Specialty Definitions: Cathode

Domain	Definitions
Aerospace	In an electron tube, an electrode through which a primary stream of electrons enters the interelectrode space. See cold cathode, hot cathode (thermionic cathode), photocathode. (references)
Chemistry	An electrode by which the current in a system leaves, i. e. by which the electrons enter the medium. Source: European Union. (references)
Electrical Engineering	An electrode in a semiconductor device, which is made negative in order to establish an easy current flow. Source: European Union. (references)
	An electrode that is the source of the desired electron emission. Source: European Union. (references)
	The electrode through which current normally leaves the medium of different conductivity. Source: European Union. (references)
	Machining tool which is either fixed or movable connected with the manufacturing-head. Source: European Union. (references)
Energy	The negative pole or electrode of an electrolytic cell, vacuum tube, etc., where electrons enter (current leaves) the system; the opposite of an anode. (references)
Medicine	An electrode, usually an incandescent filament of tungsten, which emits electrons in an X-ray tube. Source: European Union. (references)
Meteorology & Standards	An electrode to which positive particles are attracted; therefore the negative electrode. In an X-ray tube, the electrode which houses the filament, and which is the source of the electron beam. Source: European Union. (references)
Mining	The electrode where electrons enter, or current leaves, an operating system, such as a battery, an electrolytic cell, an X-ray tube, or a vacuum tube. In the first of these, the cathode is positive; in the other three, negative. In a battery or electrolytic cell, it is the electrode where reduction occurs. Opposite of anode. See also:electrode. (references)
Physics	Cathode : a metallic conductor in contact with a solution functions as a cathode with respect to this solution if its face of contact with the solution is the face of entry for the metal. Source: European Union. (references)
Source: compiled by the editor from various references; see credits.

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Abbreviations & Acronyms: Cathode

The following table is compiled from various sources, across various languages. When English abbreviations or acronyms come from a non-English source, this is noted.
Entry	Source	Expression	Field
CATHODE	English	Computer Algebra Tools for Handling Ordinary Differential Equations	Computing, European Union
Source: compiled by the editor, based on several corpora (additional references).

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Antonym: anode (n). (additional references)

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Crosswords: Cathode

English words defined with "cathode": Anticathode ♦ cataphoresis, Catelectrotonus, Cathode ray, cathode-ray tube, cathodic, control grid, Crookes, CRT ♦ electron gun, electrophoresis ♦ Focus tube ♦ glow lamp, glow tube, grid ♦ Hydrogode ♦ Lenard ♦ magnetron, mercury cell ♦ nicad, nickel-cadmium accumulator, nickel-iron accumulator, nickel-iron battery ♦ Philipp Lenard, photocathode, Platinode ♦ Sir William Crookes ♦ triode ♦ William Crookes. (references)

Specialty definitions using "cathode": activation of a cathode ♦ cathode bias, cathode builder, cathode copper, cathode efficiency, cathode film, CATHODE MAKER, cathode ray tube, cathode ray tube projector, CATHODE RAY TUBE SALVAGE PROCESSOR, cathode rays, cold cathode ♦ directly heated cathode, directly heated cathode filament ♦ equipotential cathode ♦ filamentary cathode, filament-type cathode ♦ heater-type cathode, hot cathode ♦ incandescent cathode, indirectly heated cathode ♦ thermionic cathode, thoriated tungsten cathode, thoriated-tungsten cathode ♦ unipotential cathode. (references)

Non-English Usage: "Cathode" is also a word in the following language with the English translation in parentheses.

French (cathode).

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Modern Usage: Cathode

Domain	Usage
Movie/TV Titles	It's the Cathode Ray Tube Show Yes (1957)
Source: compiled by the editor from various references; see credits.

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Commercial Usage: Cathode

Domain	Title
References	Cathode Ray Tubes in Taiwan: A Strategic Entry Report, 1996 (reference) Tokyo Cathode Laboratory Co., Ltd.: International Competitive Benchmarks and Financial Gap Analysis (reference) The 2000 Import and Export Market for Thermionic, Cold Cathode and Photocathode Valves, Tubes, and Parts in Asia (reference) The 2002 World Market Forecasts for Imported Thermionic, Cold Cathode and Photocathode Valves, Tubes, and Parts (reference) The 2003 World Market Forecasts for Imported Thermionic, Cold Cathode and Photocathode Valves, Tubes, and Parts (reference) (more reference examples)

Books	Cathode Ray Tubes [DOWNLOAD: PDF] (reference) Cooperative Lithium-Ion Insertion Mechanisms in Cathode Materials for Battery Applications (Comprehensive Summaries of Uppsala Dissertations from The) (reference) Laser Cathode Ray Tubes (Proceedings of the Lebedev Physics Institute, Vol 221) (reference) Neon Techniques and Handling: Handbook of Neon Sign and Cold Cathode Lighting (reference) (more book examples)

Music	Otomo Yoshihide: Cathode (reference) (more classical music examples; more popular music examples)
Source: compiled by the editor from various references; see credits.

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Image Slideshow: Cathode

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Non-Fiction Usage: Cathode

Subject	Topic	Quote
Business		Advanced technologies have not been adopted including ion exchange, chromatographic fractionation, membrane separation, statically separation filiation, mercury cathode electrolysis, vapor liquidation, and column separation. (references)
Economic History	Brazil	According to Abinne -- the Brazilian Association of the Electro-Electronics Industry -- imports of semi conductors account for approximately 50 percent of Brazilian imports of electronic components followed by passive components and cathode ray tubes. (references)
Source: compiled by the editor from ICON Group International, Inc.; see credits.

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Usage Frequency: Cathode

"Cathode" is generally used as a noun (singular) -- approximately 100.00% of the time. "Cathode" is used about 71 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)	100%	71	39,674

Source: compiled by the editor from several corpora; see credits.

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Usage in Company Names: Cathode

Country	Name
Japan	Tokyo Cathode Laboratory Co., Ltd.
	(more examples...)

Source: compiled by the editor from Icon Group International, Inc.

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Expressions: Cathode

Expressions using "cathode": activation of a cathode ♦ cathode bias ♦ cathode follower ♦ cathode ray ♦ cathode ray oscillograph ♦ cathode ray oscilloscope ♦ cathode ray tube ♦ cathode ray tube projector ♦ cathode rays ♦ cathode screen ♦ directly heated cathode ♦ directly heated cathode filament ♦ equipotential cathode ♦ filamentary cathode ♦ hot cathode ♦ incandescent cathode ♦ indirectly heated cathode ♦ refreshed cathode ray tube ♦ thermionic cathode ♦ thoriated tungsten cathode ♦ unipotential cathode. Additional references.
Hyphenated Usage
	Beginning with "cathode": cathode-ray, cathode-ray oscilloscope, cathode-ray tube.
	Ending with "cathode": hot-cathode, photo-cathode.
Source: compiled by the editor from various references; see credits.

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Frequency of Internet Keywords: Cathode

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	Expression	Frequency per Day
cathode ray tube	169	cold cathode fluorescent	4
cold cathode	60	cathode cold lighting tube	4
cathode	54	bias cathode	4
cathode manufacturer ray tube	30	hollow cathode	4
cold cathode light	30	cathode diode	4
cold cathode fluorescent lamp	15	cathode display ray tube	4
anode cathode	14	cathode tube vacuum	3
lighting cold cathode	12	cold cathode light kit	3
cold cathode lamp	11	cold cathode case light	3
cathode copper	10	cathode cold sunbeam	3
cathode ray	10	cathode follower	3
cathode tube	8	cathode hot neon	3
cathode cold uv	8	cathode cold dimmer	3
cathode cold fan	7	cathode led	3
cold cathode tube	7	cathode experiment ray tube	3
cathode ray oscilloscope	7	anode cathode led	3
cathode debate ray tube	6	cathode light neon	2
anode cathode diode	6	cathode ray thomson tube	2
cathode light	5	cathode discharge hollow	2
hollow cathode lamp	5	argon cathode hollow	2
Source: compiled by the editor from various references; see credits.

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Modern Translations: Cathode

Language		Translations for "cathode"; alternative meanings/domain in parentheses.
Albanian		katodë (kathode). (various references)

Arabic		‏لاحب أو قطب سالب كهرباء, ‏قطب سالب (negative pole), ‏الكاثود قطب سالبة, ‏أشعة الكاثود. (various references)

Bulgarian		катоден, катод. (various references)

Chinese		负极 (Cathodic). (various references)

Czech		katoda (kathode). (various references)

Danish		værktøjselektrode (tool-electrode), katode. (various references)

Dutch		kathode (tool-electrode), gereedschapselektrode (tool-electrode). (various references)

Esperanto		bildvalvo (cathode tube), bildtubo (cathode tube), bildotubo (cathode tube). (various references)

Farsi		کاتد(فیزیک -ش), قطب منفی , الکترودمنفی . (various references)

Finnish		katodi. (various references)

French		cathode. (various references)

Frisian		byldbuis (cathode tube). (various references)

German		kathode (source, tool-electrode), Katode. (various references)

Greek		κάθοδοσ (descent), κάθοδος (companion ladder, companionway, descent, down feed, feed motion directed to the interior, feed motion towards the interior, feed movement directed to the interior, feed movement towards the interior, infeed, in-feed, let-down, lowering). (various references)

Hebrew		קתו�"�", קטו�"�". (various references)

Hungarian		katód (cathodic, kathode). (various references)

Indonesian		katode. (various references)

Italian		catodo, catodico. (various references)

Japanese Kanji		陰極 , � 極 (negative pole, south magnetic pole). (various references)

Japanese Katakana		ふきょく (negative pole, south magnetic pole), い�"きょく. (various references)

Korean		음극� . (various references)

Manx		caddoyd. (various references)

Pig Latin		athodecay

Portuguese		cátodo. (various references)

Romanian		catod (negative, negative pole). (various references)

Russian		катод (kathode). (various references)

Serbo-Croatian		negativna elektroda, katodni, katoda (kathode). (various references)

Spanish		cátodo. (various references)

Swedish		katod (kathode). (various references)

Turkish		katot (negative pole), eksi uç (negative pole). (various references)

Ukranian		катод (negative). (various references)

Vietnamese		catôt (kathode). (various references)

Welsh		cathod. (various references)
Source: compiled by the editor from various translation references.

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Ancestral Language Translations: Cathode

Language	Period	Translations
Greek	700 BCE-300 CE	cathodos. (various references)
Source: compiled by the editor from various references.

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Derivations & Misspellings: Cathode

Derivations
	Words beginning with "cathode": cathodes. (additional references)
	Words ending with "cathode": anticathode, photocathode. (additional references)
	Words containing "cathode": anticathodes, photocathodes. (additional references)
Misspellings
	"Cathode" is suggested in spellcheckers for the following: Catcote, catheder, cathod, cathoder, Cathole, cathood, Cathro, Catmose, catode, cestode, Chakhoti, Culthord, Cytodex, Gasthofe, kathode, Katshuda. (additional references)
Source: compiled by the editor, based on several corpora (additional references).

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Rhyming with "Cathode"

Words rhyming with "cathode" (pronounced 'Cath"ode'): Anode, Anticathode, Epode, Exode, Geode, Threnode, Zincode. (additional references)

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Anagrams: Cathode

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-c-d-e-h-o-t"
	-1 letter: coated, cohead, detach.
	-2 letters: ached, acted, cadet, cheat, coted, death, doeth, hated, octad, tache, teach, theca.
	-3 letters: aced, ache, cade, cate, chad, chao, chat, coat, coda, code, coed, cote, dace, date, dato, deco, doat, dote, doth, each, eath, echo, etch, hade, haed, haet, hate, head, heat, hoed, oath, odea, ohed, tace, tach, taco.
	Words containing the letters "a-c-d-e-h-o-t"
	+1 letter: cathodes, chordate.
	+2 letters: charioted, chordates, cohabited, cohobated, decathlon, headcount, headstock, octahedra, stomached.
	+3 letters: achondrite, coauthored, decathlons, dichromate, dogcatcher, dogwatches, endothecia, headcounts, headstocks, methodical, octahedral, octahedron, outcharged, outcharmed, outcheated, outcoached, outmarched, outmatched, outreached, outwatched, potlatched, tetrachord.
	+4 letters: achondrites, anticathode, bichromated, camphorated, chlorinated, coldhearted, cycadophyte, diaphoretic, dichromates, dogcatchers, mustachioed, nonattached, octahedrons, orthopaedic, outachieved, outpreached, overmatched, saddlecloth, stanchioned, tetrachords, urochordate, watchdogged.
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.