noun or·tho·dichlorobenzene \"+\

Definition of orthodichlorobenzene

  1. :  a volatile oily liquid compound C6H4Cl2 made by chlorination of benzene and used chiefly as a solvent and cleaner, heat-transfer, medium, and insecticide —written systematically with italic ortho- or o-

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Origin and Etymology of orthodichlorobenzene

orth- + dichlorobenzene

Seen and Heard

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to criticize severely

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