bromouracil

[ broh-moh-yoor-uh-sil ]

noun

, Biochemistry.

1. a uracil derivative, C 4 H 3 N 2 O 2 Br, that pairs with adenine and sometimes with guanine during phage and bacterial DNA synthesis.

Word History and Origins

Origin of bromouracil¹

First recorded in 1955–60; bromo- + uracil