Wordnet 3.0
NOUN (1)
1.
a base found in DNA (but not in RNA) and derived from pyrimidine;
pairs with adenine;
[syn: thymine, T]
WordNet (r) 3.0 (2006):
thymine
n 1: a base found in DNA (but not in RNA) and derived from
pyrimidine; pairs with adenine [syn: thymine, T]