单词	methacrylic acid
释义	methacrylic acid noun meth·​acryl·​ic acid ˌme-thə-ˈkri-lik-  : an acid C4H6O2 used especially in making acrylic resins or plastics Word History Etymology International Scientific Vocabulary First Known Use 1865, in the meaning defined above Medical Definition methacrylic acid noun meth·​acryl·​ic acid ˌmeth-ə-ˌkril-ik-  : an acid C4H6O2 used especially in making acrylic resins or plastics
随便看	oscilloscopic oscine Oscinella osciner oscines oscineses oscinesses oscinest Oscinidae oscinine Oscinosoma oscitances oscitancies oscitancy oscitant oscitated oscitates oscitating oscitation Osco-Umbrian oscula osculant oscular oscularity osculate

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