- C's, c's1) N-VAR C is the third letter of the English alphabet.2) N-VAR In music, C is the first note in the scale of C major.3) N-VAR If you get a C as a mark for a piece of work or in an exam, your work is average.4) c. is written in front of a date or number to indicate that it is approximate. c. is an abbreviation for `circa'.
...the museum's recreation of a New York dining-room (c. 1825-35).5) C or c is used as an abbreviation for words beginning with c, such as `copyright' or `Celsius'.
Heat the oven to 180°C.6) → See also , c/o
English dictionary. 2008.