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pentachloronitrobenzene

[pen-tuh-klawr-oh-nahy-troh-ben-zeen, -ben-zeen, -klohr-] /ˌpɛn təˌklɔr oʊˌnaɪ troʊˈbɛn zin, -bɛnˈzin, -ˌkloʊr-/
noun, Chemistry
1.
a crystalline compound, C 6 Cl 5 NO 2 , used as an herbicide and insecticide.
Abbreviation: PCNB.
Also called terrachlor.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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