biphenyl

From bi- +‎ phenyl.

biphenyl (countable and uncountable, plural biphenyls)

1. (organic chemistry, uncountable) A colourless solid hydrocarbon, C₁₂H₁₀, consisting of two benzene rings linked together by a single bond.
2. (organic chemistry, countable) Any substituted or otherwise altered version of , such as PCBs.

   halogenated biphenyls

   • 1986, Valerie M. Thom, “Coastal habitats”, in Birds in Scotland, London: T & AD Poyser, published 2011, →ISBN, page 25:

     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.

• diphenyl
• E230 when used as a preservative
• lemonene

• terphenyl