C1 Syllabification: (C)Pronunciation: /sē/ (also c)Translate C | into French | into German | into Italian | into Spanish Definition of C noun (plural Cs or C's) 1the third letter of the alphabet. 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 grades. (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) a high-level computer programming language originally developed for implementing the UNIX operating system. [formerly known as B, abbreviation of BCPL]C in other Oxford dictionaries Definition of C in the British & World English dictionary
