definition of
[C]

[1] #1 C n. [degree centigrade, degree Celsius] a degree on the centigrade scale of temperature. wn

[2] #2 C s. [hundred, one hundred, 100, c] being ten more than ninety. wn

[3] #3 C n. [speed of light, light speed, c] the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second. wn

[4] #4 C n. [vitamin C, ascorbic acid] a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy. wn

[5] #5 C n. [deoxycytidine monophosphate] one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). wn