Meaning of pentachloronitrobenzene

pen•ta•chlo•ro•ni•tro•ben•zene

Pronunciation: (pen"tu-klôr"ō-nī"trō-ben'zēn, -ben-zēn', -klōr"-), [key]
— n. Chem.
  1. a crystalline compound, CClNO, used as an herbicide and insecticide. Abbr.: PCNB&hasp; Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.