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trichlorophenoxyacetic acid

[trahy-klawr-oh-fuh-nok-see-uh-see-tik, -set-ik, -klohr-, -klawr-, -klohr-] /traɪˈklɔr oʊ fəˌnɒk si əˈsi tɪk, -ˈsɛt ɪk, -ˈkloʊr-, -ˌklɔr-, -ˌkloʊr-/
noun, Chemistry
1.
a light-tan, water-insoluble solid, C 8 H 5 Cl 3 O 3 , used chiefly for killing weeds.
Also called 2,4,5-T.
Origin
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for trichlorophenoxyacetic acid

trichlorophenoxyacetic acid

/traɪˈklɔːrəʊfəˌnɒksɪəˈsiːtɪk/
noun
1.
an insoluble crystalline solid; 2,4,5-trichlorophenoxyacetic acid. It is a plant hormone and is used as a weedkiller. Formula: C8H5Cl3O3 Also called 2,4,5-T
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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