trichlorophenoxyacetic acid Hear it!

trichlorophenoxyacetic acid Definition

tri·chloro·phenoxy·acetic acid (-fē näk′sē ə sēt′ik, -fi-)

noun

a trichloride derivative of phenoxy acetic acid, ClCHOCH·COOH, used as a weed killer; 2,4,5-T

Etymology: tri- + chloro- + phenoxy + acetic