n. A base, C5H6N2O2, obtained by applying sulphuric acid to thymic acid; it pairs with adenine in DNA.
The Century Dictionary and Cyclopedia
n. A colorless crystalline compound, C5H6N2O2, prepared by the action of dilute sulphuric acid on thymic acid. It may also be obtained synthetically. It sublimes in plates and melts above 250° C. Also called 5-methyluracil.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
Word Usage
"It is evident from the formulae that in thymine and cytosine a ring-like system of carbon and nitrogen atoms must be assumed."