[poly.bro.mi.nat.ed biphenyl] n (1975): any of several compounds that are similar to polychlorinated biphenyls in environmental toxicity and in structure but that have various hydrogen atoms replaced by bromine rather than chlorine--called also PBB
POLYBROMINATED BIPHENYL
Meaning of POLYBROMINATED BIPHENYL in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012