单词	diisobutylene
释义	diisobutylene noun di·​isobutylene (¦)dī+ : a liquid mixture containing the two octylenes 2,4,4-trimethyl-1-pentene and 2,4,4-trimethyl-2-pentene obtained from isobutylene by reaction with acid catalysts and used as an intermediate (as for plastics) Word History Etymology di- + isobutylene
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