definition of
c

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

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

[3] #3 c n. [speed of light, light speed] 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, C, ascorbic acid] a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy. wn

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