trichlorophenoxyacetic acid: Meaning and Definition of

tri•chlo'ro•phe•nox•y•a•ce'tic ac'id

Pronunciation: (trī-klôr'ō-fu-nok"sē-u-sē'tik, -set'ik, -klōr'-, -klôr"-, -klōr"-), [key]
— Chem. Chem.
  1. a light-tan, water-insoluble solid, CHClO, used chiefly for killing weeds. Also called 2,4,5-T.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.