| 单词 | polymethyl methacrylate |
| 释义 | polymethyl methacrylate [`päl·i´meth·ǝl mǝ`thak·rǝ´lāt] ORGANIC CHEMISTRY A thermoplastic polymer that is derived from methyl methacrylate, CH2=C(CH3)COOCH3; transparent solid with excellent optical qualities and water resistance; used for aircraft domes, lighting fixtures, optical instruments, and surgical appliances. |
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