metamer
異性體
meta·mer /ˈmɛtəˌmɝ/ 名詞
單體,位變異構體
Met·a·mer n. Chem. Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene; an isomer.
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