Dictionary.com

para-dichlorobenzene

or par·a·di·chlo·ro·ben·zene

[ par-uh-dahy-klawr-uh-ben-zeen, -ben-zeen, -klohr- ]
/ ˌpær ə daɪˌklɔr əˈbɛn zin, -bɛnˈzin, -ˌkloʊr- /

noun Chemistry.

a white, crystalline, volatile, water-insoluble solid, C6H4Cl2, of the benzene series, having a penetrating odor: used chiefly as a moth repellent.

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Also called PDB, para.
Compare dichlorobenzene.

Origin of para-dichlorobenzene

First recorded in 1875–80; para-1 + di-1 + chloro-2 + benzene

Words nearby para-dichlorobenzene

paracystitis, parade, parade armor, parade bed, parade rest, para-dichlorobenzene, paradiddle, paradidymis, paradigm, paradigmatic, paradigm shift
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for para-dichlorobenzene

paradichlorobenzene
[ păr′ə-dī-klôr′ə-bĕn′zēn′ ]

A white crystalline compound used as a germicide and an insecticide. Chemical formula: C6H4Cl2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.