单词 | polyisobutylene |
释义 | polyisobutylene /pol'ee uy'seuh byooht"l een'/, n. Chem. a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber. Also, polyisobutene /pol'ee uy'seuh byooh"teen/. [1930-35; POLY- + ISOBUTYLENE] |
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