C

Pronunciation

• (letter name) IPA: /siː/ (usually spelled cee)
• (phoneme) IPA: /k/, , ...

Old English lower case letter c, from 7th century replacement by Latin lower case c of the Anglo-Saxon Futhorc letter áš³ (c, "cen").

Full definition of c

Letter

Number

Various abbreviations

{{abbreviation-old|en}}

1. Alternative form of c.

Noun

1. (music) 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.

From the symbol c, which is from Latin celeritās ("speed").

Noun

1. (physics) The speed of light as a unit of speed, exactly 2.99792458 × 10⁸ m/s.