denoting the third in a set of items, categories, sizes, etc..
denoting the third of three or more hypothetical people or things.
the third-highest class of academic mark:he scraped along with C’s and D’s in most subjects
denoting an intermediate socio-economic category for marketing purposes, including the majority of white-collar ( C1) and skilled blue-collar personnel ( C2).
(c) Chess denoting the third file from the left of a chessboard, as viewed from White’s side of the board.
(usually c) the third fixed constant to appear in an algebraic expression, or a known constant.
denoting the lowest soil horizon, comprising parent materials.
2a shape like that of a letter C: [in combination]:C-springs
3 (usually C) Music the first note of the diatonic scale of C major, the major scale having no sharps or flats.
a key based on a scale with C as its keynote.
4the Roman numeral for 100.
[abbreviation of Latin centum 'hundred']
5 (C) [mass noun] a computer programming language originally developed for implementing the Unix operating system.