7 letters · 15 points in Scrabble
noun a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
originFrom thymus + -ine. Thymine was first isolated in 1893 by Albrecht Kossel and Albert Neumann from calves' thymus glands, hence its name.
Etymology from Wiktionary, CC BY-SA 3.0