biphenyl
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · hFarsi Advanced Version کلمات مرتبط(biphenyl): بازگشت به واژه biphenyl polychlorinated biphenyl
- واژهنامه · Merriam-Webster Collegiate Dictionary bi·phe·nyl n. Pronunciation: ( ˌ )bī- ' fe-n ə l, - ' fē- Function: noun Etymology: International Scientific Vocabulary Date: circa 1923 : a white crystalline hydrocarbon C 6 H 5 ·C 6 H 5 used especially as a heat-transfer medium and in organic synthesis also : a derivative of biphenyl poly·bro·mi·nat·ed biphenyl Pronunciation: ˌ pä-lē- ' brō-mə- ˌ nā-təd- Function: noun Date: 1975 : any of several compounds that are similar to polychlorinated biphenyls in environmental toxicity and in structure but that have various hydrogen atoms replaced by bromine rather than chlorine ― called also PBB poly·chlo·ri·nat·ed biphenyl Pronunciation: ˌ pä-lē- ' klo ̇ r-ə- ˌ nā-təd- Function: noun Date: 1962 : any of several compounds that are produced by replacing hydrogen atoms in biphenyl with chlorine, have various industrial applications, and are toxic environmental pollutants which tend to accumulate in animal tissues ― called also PCB