| 单词 | urethans |
| 释义 | urethan or urethane /ūˈri-than, -thān or -thanˈ, -thānˈ/nounA crystalline ester, NH2COOC2H5, prepared from urea and ethyl alcohol, used eg in pesticides and in polymerized form as a coating, plastic, adhesive etc, and formerly as an anaesthetic ORIGIN: urea, ethyl and chem sfx -ane |
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