Try Our Apps


World Series Quiz


[bahy-fen-l, -feen-l] /baɪˈfɛn l, -ˈfin l/
noun, Chemistry.
a water-insoluble, pleasant-smelling, colorless powder or white scales, C 12 H 10 , composed of two phenyl groups, from which benzidine dyes are derived: used chiefly as a heat-transfer agent and in organic synthesis.
Also called diphenyl, phenylbenzene.
Origin of biphenyl
1920-25; bi-1 + phenyl Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
British Dictionary definitions for biphenyl


/baɪˈfɛnəl; -ˈfiː-/
a white or colourless crystalline solid used as a heat-transfer agent, as a fungicide, as an antifungal food preservative (E230) on the skins of citrus fruit, and in the manufacture of dyes, etc. Formula: C6H5C6H5
any substituted derivative of biphenyl
Also called diphenyl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
biphenyl in Medicine

biphenyl bi·phen·yl (bī-fěn'əl, -fē'nəl)
A colorless crystalline aromatic hydrocarbon used in fungicides and in organic synthesis. Also called diphenyl.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for biphenyl

Some English speakers likely know this word

Word Value for biphenyl

Scrabble Words With Friends

Nearby words for biphenyl