C

C¹

(also c)

noun (plural Cs or C's)

1》 the third letter of the alphabet.

2》 denoting the third in a set of items, categories, sizes, etc.

3》 Music the first note of the diatonic scale of C major, the major scale having no sharps or flats.

4》 the Roman numeral for 100. [abbrev. of L. centum 'hundred'.]

5》 (C) a computer programming language originally developed for implementing the Unix operating system. [formerly known as B, abbrev. of BCPL.]

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C²

abbreviation

1》 (C.) Cape (chiefly on maps).

2》 cargo (in designations of US aircraft types): a C-130.

3》 Celsius or centigrade.

4》 (in names of sports clubs) City.

5》 (C.) Brit. Command Paper (second series, 1870–99).

6》 (in Britain) Conservative.

7》 (©) copyright.

8》 Physics coulomb(s).

9》 Cuba (international vehicle registration).

symbol

1》 Physics capacitance.

2》 the chemical element carbon.

Phrases

the Big C informal cancer.