| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,726,176,897 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
biphenyl |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.01 sec. |
|
biphenyl /bi·phen·yl/ (-fen´il) diphenyl. polychlorinated biphenyl (PCB) any of a group of chlorinated derivatives of biphenyl, used as heat-transfer agents and electrical insulators; they are toxic, carcinogenic, and non-biodegradable.
biphenyl polybrominated and polychlorinated biphenyls are widely used industrial chemicals, as flame retardants, heat transfer agents and electrical insulators. biphenyl poisoning these chemicals are not known to produce illness in the average environment, but they accumulate in fat and have a very slow rate of excretion and biodegradability. Experimental poisoning causes diarrhea, poor weight gain, growth retardation and abortion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| Abnormally high polychlorinated biphenyl levels in striped dolphins (Stenella coeruleoalba) affected by the 1990-1992 Mediterranean epizootic. Individual congeners are produced by reacting the basic biphenyl structural unit with chlorine, replacing anywhere from 1 to 10 of the original hydrogens with chlorine yielding up to 209 possible arrangements (congeners). 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? |
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|