biphenyl

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bi·phen·yl

(bī-fĕn′əl, -fē′nəl)

A white or colorless crystalline compound, C₁₂H₁₀, used as a heat-transfer agent, in fungicides, and in organic synthesis. Also called diphenyl.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

biphenyl

(baɪˈfɛnəl; -ˈfiː-)

1. (Elements & Compounds) 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

2. (Elements & Compounds) any substituted derivative of biphenyl

Also called: diphenyl

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

bi•phen•yl

(baɪˈfɛn l, -ˈfin l)

n.

a water-insoluble powder, C₁₂H₁₀, from which benzidine dyes are derived: used chiefly as a heat-transfer agent and in organic synthesis.

[1920–25]

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Aromatic polyimides having axially dissymmetric 2,2' bis(p-aminophenoxy) biphenyl units.

Polymerizable monomer reactants-modified polyimides

The U.S Environmental Protection Agency (EPA) and the Wisconsin Department of Natural Resources (DNR) have together announced plans for the removal of polychlorinated biphenyl (PCB) contaminants in a 39-mile section of the lower Fox River.

Fox River cleanup plan announced

RTP says the halogen and non-halogen formulations comply with the German Hazardous Substance Ordinance and meet the requirements of the latest draft of the EU WEEE/ROS Directive on recycling, which calls for the elimination of polybrominated biphenyl and diphenyl-ether flame retardants.

FR HIPS Grades Meet International Specs

Niimi (1988), "Trophodynamic Analysis of Polychlorinated Biphenyl Congeners and Other Chlorinated Hydrocarbons in the Lake Ontario Ecosystem," Environmental Science and Technology, 22(4):388-397.

Levels of Polychlorinated Biphenyls (PCBs) in Fish: The Influence on Local Decision Making About Fish Consumption

Capacitors were manufactured at an Indiana facility, using PCBs as a dielectric fluid from fall 1957 until spring 1977, when PCBs were replaced with isopropyl biphenyl (Jones 1977).

Mortality among workers exposed to polychlorinated biphenyls (PCBs) in an electrical capacitor manufacturing plant in Indiana: an update

If the "pro-lifers" are so concerned about the health of fetuses, why aren't they out in the streets protesting and demanding that the Bush Administration do something about heavy metal and polychlorinated biphenyl (PCB) pollution in our lakes, rivers and oceans?

A mercurial debate. (Letters From Our Readers)

Commercial preparations contain few or no strictly coplanar PCB or polybrominated biphenyl congeners.

Bioremediation monitoring

There was no significant association between polychlorinated biphenyl levels and changes in cycle length or hormone levels.

Effects of organochlorine compounds on menstrual cycles

Polychlorinated biphenyl concentration in raw and cooked north Atlantic bluefish fillets.

Risk-based consumption advice for farmed Atlantic and wild Pacific Salmon contaminated with dioxins and dioxin-like compounds