Definition of "biphenyl" []

• A colorless crystalline compound, C12H10, used as a heat-transfer agent, in fungicides, and in organic synthesis. Also called diphenyl. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Biphenyl 2,3-dioxygenase 1.14.12.18 1 Nomenclature EC number 1.14.12.18 Systematic name biphenyl, NADH: oxygen oxidoreductase (2,3-hydroxylating) Recommended name biphenyl"
• "Each PCB molecule consists of chlorine atoms attached to a double carbon-hydrogen ring (a "biphenyl" ring)."
• "Polybrominated biphenyl ether (PBDE) flame retardants are widespread environmental pollutants on a global scale, but the contamination is greatest in the United States."