PBB
Chemistry.
any of the highly toxic and possibly carcinogenic aromatic compounds consisting of two benzene rings in which bromine takes the place of two or more hydrogen atoms: used as a fire retardant and additive for plastics.
Origin of PBB
1p(oly)b(rominated)b(iphenyl)
- Also called polybrominated biphenyl.
Words Nearby PBB
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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