2,4-D

[ too-fawr-dee, fohr- ]
/ ˈtuˈfɔrˈdi, ˈfoʊr- /

Definition for 2,4-d (2 of 2)

dichlorophenoxyacetic acid

[ dahy-klawr-oh-fi-nok-see-uh-see-tik, -uh-set-ik, dahy-klohr-, dahy-klawr-oh-fi-nok-, dahy-klohr- ]
/ daɪˈklɔr oʊ fɪˈnɒk si əˈsi tɪk, -əˈsɛt ɪk, daɪˈkloʊr-, daɪˌklɔr oʊ fɪˌnɒk-, daɪˌkloʊr- /

noun Chemistry.

a white to yellow, crystalline powder, C8H6O3Cl2, slightly soluble in water: used for killing weeds.

Origin of dichlorophenoxyacetic acid

Also called 2,4-D.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for 2,4-d

2,4-D


noun

a synthetic auxin widely used as a weedkiller; 2,4-dichlorophenoxyacetic acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012