1. (noun)
cytosine, C
- a base found in DNA and RNA and derived from pyrimidine; pairs with guanine Synonyms: century, hundred, light speed, degree Celsius, nose candy, snow, coke, vitamin C, ascorbic acid, deoxycytidine monophosphate, one C, degree centigrade, ampere-second, coulomb, speed of light, atomic number 6, blow, carbon, cytosine