from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A pyrimidine base, C5H6N2O2, that is an essential constituent of DNA.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A base, C5H6N2O2, obtained by applying sulphuric acid to thymic acid; it pairs with adenine in DNA.
from 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.
from 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
thym(ic acid), acid obtained from the thymus + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)
From thymic + -ine. (Wiktionary)