单词 | polybrominated biphenyl |
释义 | > as lemmaspolybrominated biphenyl polybrominated biphenyl n. any of a class of polybrominated compounds derived from biphenyl, which have various industrial applications and are persistent environmental pollutants; abbreviated PBB. ΚΠ 1977 Time 4 Apr. 56/3 Michigan farmers..last year lost thousands of cattle to poisoning when a fire retardant called polybrominated biphenyl (PBB) was accidentally mixed with feed. 1995 Science 15 Sept. 1608/2 This group was exposed to polybrominated biphenyls through consumption of contaminated farm animals and food products. < as lemmas |
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