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.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Also called polybrominated biphenyl.
Origin of PBB
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020