Meaning of polychlorinated biphenyl | Babel Free
/ˌpoʊliˌklɔrəˌneɪtəd ˈbaɪfənɪl/Definitions
Any of a class of aromatic organic compounds formed by the chlorination of the hydrocarbon biphenyl; they have many industrial applications but are now considered persistent organic pollutants.
Equivalents
Español
policlorobifenilo
Examples
“Another environmental factor thought to be affecting some coastal birds, although comparatively little is yet known about its extent or origin, is the presence of marine pollutants such as polychlorinated biphenyls (PCBs) and toxic heavy metals.”
“The microbes devoured the chlorides in the earth; as metabolic byproducts, they produced toxic polychlorinated biphenyls (PCBs). By the time the infestation was contained an area of nearly 30 square kilometers had been effectively turned into a toxic waste dump.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.