diphenyl

American  

[dahy-fen-l, -feen-l] / daɪˈfɛn l, -ˈfin l /

noun

Chemistry.

1. biphenyl.

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diphenyl British  

/ daɪˈfiːnaɪl, -ˈfɛnɪl, -nɪl /

noun

1. another name for biphenyl

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Etymology

Origin of diphenyl

First recorded in 1860–65

Example Sentences

Polybrominated diphenyl ethers, or PBDEs, are fire-retardant chemicals that are found everywhere -- upholstery, carpets, curtains, electronics, and even infant products.

From Science Daily

In the mid-2000s, one class of chemicals, polybrominated diphenyl ether flame retardants, were gradually phased out of use due to concerns about their potential toxicity.

From Science Daily

The research found the levels of banned PBDEs, or polybrominated diphenyl ethers, in breast milk have declined some 70% over the past two decades.

From Seattle Times

The plant was expected to take in shipments of methylene diphenyl diisocyanate, or MDI, from China.

From Washington Times

Flame retardant chemicals, short-chain chlorinated paraffins and polybrominated diphenyl ethers disrupt endocrine function and negatively affect reproductive health.

From The Guardian