polychlorinated biphenyl

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polychlorinated biphenyl

/ˌpoʊliˌklɔrəˌneɪtəd ˈbaɪfənɪl/ US
/ˌpɒlɪˌklɔːrɪneɪtɪd ˈbaɪfənɪl/ UK

noun polychlorinated biphenyls

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. 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.
Similar: PCB

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noun PCB

Español	policlorobifenilo
中文	多氯聯苯 /多氯联苯 duōlǜliánběn

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MLA

"polychlorinated biphenyl." Wiktionary, via Micwyn, micwyn.com/word/polychlorinated%20biphenyl. Accessed 6 Nov. 2026.

APA

polychlorinated biphenyl. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/polychlorinated%20biphenyl

Chicago

"polychlorinated biphenyl." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/polychlorinated%20biphenyl.

BibTeX

@misc{polychlorinated_biphenyl_2026,
  title = {polychlorinated biphenyl},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/polychlorinated%20biphenyl},
  urldate = {2026-11-06}
}