diphenyl

[dahy-fen-l, -feen-l]

noun

Chemistry.

1. biphenyl.

diphenyl

/ daɪˈfiːnaɪl, -ˈfɛnɪl, -nɪl /

noun

1. another name for biphenyl

Word History and Origins

Origin of diphenyl¹

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.

Read more on 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.

Read more on 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.

Read more on Seattle Times

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

Read more on Washington Times

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

Read more on The Guardian