Standard Lemma guide

c

adj · adv · character · name · noun · num · symbol · verb · 35 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Singapore: /siː(˦)/
  • letter, name: /siː/
  • UK: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -iː
  • phoneme: /k/
  • phoneme: /s/
  • phoneme: /tʃ/
  • phoneme: /ks/
  • phoneme: /ʃ/
  • homophone: si
  • homophone: cee
  • homophone: sea
  • homophone: see
  • CMU ARPABET: S IY1 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

With sugar and evaporated milk added.

Definition source: English Wiktionary via Wiktextract

Usage: Malaysia, Singapore, colloquial, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

Alternative form of c..

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

character

Meaning 3

The third letter of the English alphabet, called cee and written in the Latin script.

Definition source: English Wiktionary via Wiktextract

Usage: letter, lowercase

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

A particular high-level programming language from which many others are derived.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

Examples

  • 1995, Gary Wolf, "The Curse of Xanadu", Wired Magazine The PDP-11, from the Digital Equipment Corporation, was a coveted machine. It was the original computer to run a new programming language called C, which was on its way to becoming the hackers' standard. Gregory, as it happened, didn't have any spare PDP-11s at his disposal. But the repairman took the opportunity to question some of Nelson's blithe predictions in Computer Lib, and Nelson, in response, unleashed his glib and bitter tirade against the conservative ignoramuses in the computer business.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

Head of the Secret Intelligence Service (MI6).

Definition source: English Wiktionary via Wiktextract

Usage: UK

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

Symbol for the company Citigroup Inc. on the NYSE.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, symbol

Topics: business, finance, stock-ticker-symbol

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

Alternative form of c..

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

The middle tone in either one of the sets of seven white keys on a keyboard or a set of seven strings on a stringed instrument.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

One hundred dollars; a c-note.

Definition source: English Wiktionary via Wiktextract

Usage: US, slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

The first note in the C chromatic and major scales.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

An academic grade better than a D and worse than a B.

Definition source: English Wiktionary via Wiktextract

Topics: education

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

Canonical Decomposition, followed by Canonical Composition

Definition source: English Wiktionary via Wiktextract

Qualifier: Unicode

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

Cocaine.

Definition source: English Wiktionary via Wiktextract

Usage: slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

Cunt.

Definition source: English Wiktionary via Wiktextract

Usage: slang, vulgar

Examples

  • 1977-1980, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure He turned me on my stomach & slowly gently put his cock in my ass. I was so happy! But I was having a hard time completely relaxing & so he withdrew & went in my C.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

Abbreviation of consonant.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

16

noun

Meaning 16

Abbreviation of Conservative.

Definition source: English Wiktionary via Wiktextract

Usage: UK, abbreviation, alt-of

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

17

noun

Meaning 17

Abbreviation of century.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Examples

  • Symbolism was a 19C literary and artistic movement.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

18

noun

Meaning 18

Abbreviation of center.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: ball-games, basketball, games, hobbies, lifestyle, netball, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

19

noun

Meaning 19

Abbreviation of costa.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: biology, entomology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

20

num

Meaning 20

The third numeral symbol of the English alphabet, called cee and written in the Latin script.

Definition source: English Wiktionary via Wiktextract

Usage: lowercase

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

21

symbol

Meaning 21

A standard size of dry cell battery between A and D.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

22

verb

Meaning 22

Abbreviation of see.

Definition source: English Wiktionary via Wiktextract

Usage: Internet, abbreviation, alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

23

adjective satellite

Meaning 23

being ten more than ninety

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hundred, one hundred, 100

Antonyms: none provided

24

noun

Meaning 24

street names for cocaine

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: coke, blow, nose candy, snow

Antonyms: none provided

Broader terms: cocaine, cocain

25

noun

Meaning 25

the 3rd letter of the Roman alphabet

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: letter, letter of the alphabet, alphabetic character

26

noun

Meaning 26

(music) the keynote of the scale of C major

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: tonic, keynote

27

noun

Meaning 27

a general-purpose programing language closely associated with the UNIX operating system

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: programming language, programing language

28

noun

Meaning 28

a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: coulomb, ampere-second

Antonyms: none provided

Broader terms: charge unit, quantity unit

29

noun

Meaning 29

a degree on the centigrade scale of temperature

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: degree centigrade, degree Celsius

Antonyms: none provided

Broader terms: degree

Narrower terms: standard temperature

30

noun

Meaning 30

ten 10s

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hundred, 100, century, one C

Antonyms: none provided

Broader terms: large integer

31

noun

Meaning 31

an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: carbon, atomic number 6

Antonyms: none provided

Broader terms: chemical element, element

Narrower terms: fullerene, radiocarbon, carbon 14, char, charcoal, wood coal, carbon black, lampblack, soot, smut, crock, activated carbon, activated charcoal, graphite, black lead, plumbago, diamond, adamant

32

noun

Meaning 32

a base found in DNA and RNA and derived from pyrimidine; pairs with guanine

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cytosine

Antonyms: none provided

Broader terms: pyrimidine

33

noun

Meaning 33

one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: deoxycytidine monophosphate

Antonyms: none provided

Broader terms: nucleotide, base

34

noun

Meaning 34

a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: vitamin C, ascorbic acid

Antonyms: none provided

Broader terms: antioxidant, water-soluble vitamin

35

noun

Meaning 35

the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: speed of light, light speed

Antonyms: none provided

Broader terms: constant, speed, velocity

History

Etymology

Uncertain. Either from Hainanese 鮮 /鲜 (si23, “fresh”), short for 鮮奶 (“fresh milk”), Malay cair (“melted”) referring to evaporated milk, or an abbreviation of Carnation, a canned milk brand, and historically, one of the most widespread forms of evaporated milk in Singapore.

Abbreviations.

Old English lower case letter c, from 7th century replacement by Latin lower case c of the Anglo-Saxon Futhorc letter ᚳ (c, “cen”).

The programming language is so named because it followed on from an earlier language called B.

Across languages

Translations

59 source translations are retained for this English entry.

  • Arabic: سي (sī) — programming language
  • Aragonese: C — programming language
  • Aragonese: luengache de programación C — programming language
  • Armenian: Սի — programming language
  • Armenian: C — programming language
  • Asturian: C — programming language
  • Asturian: llinguaxe de programación C — programming language
  • Azerbaijani: C — programming language
  • Belarusian: C — programming language
  • Buginese: C — programming language
  • Bulgarian: C — programming language
  • Chinese Cantonese: C語言 /C语言 (si1 jyu5 jin4) — programming language
  • Eastern Min Chinese: C — programming language
  • Eastern Min Chinese: C ngṳ̄-ngiòng — programming language
  • Chinese Mandarin: C語言 /C语言 (sèi-yǔyán) — programming language
  • Chuvash: Си — programming language
  • Danish: C — programming language
  • Dutch: C — programming language
  • Esperanto: C — programming language
  • Finnish: C — programming language
  • French: C — programming language
  • French: langage C — programming language
  • Georgian: C — programming language
  • German: C — programming language
  • Greek: C — programming language
  • Hindi: सी (sī) — programming language
  • Interlingua: C — programming language
  • Japanese: C (C) — programming language
  • Japanese: C言語 (Shī-gengo) — programming language
  • Latin: C — programming language
  • Macedonian: C — programming language
  • Malayalam: സി (si) — programming language
  • Norwegian Bokmål: C — programming language
  • Norwegian Nynorsk: C — programming language
  • Portuguese: C — programming language
  • Russian: Си — programming language
  • Samogitian: C — programming language
  • Santali: ᱥᱤ (si) — programming language
  • Serbo-Croatian: C — programming language
  • Spanish: C — programming language
  • Swedish: C — programming language
  • Tatar: Си — programming language
  • Ukrainian: Сі — programming language
  • Ukrainian: C — programming language
  • Urdu: سی (si) — programming language
  • Venetan: C — programming language
  • Venetan: Lenguajo C — programming language
  • Yakut: C — programming language
  • Yiddish: C — programming language
  • Finnish: c — musical note
  • French: do — musical note
  • French: ut — musical note
  • Italian: do — musical note
  • Japanese: ハ (ha) — musical note
  • Korean: 다 (da) — musical note
  • Macedonian: до (do) — musical note
  • Norwegian Bokmål: C — musical note
  • Norwegian Bokmål: c — musical note
  • Russian: до (do) — musical note