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    1. 首頁英語詞典valencevalence英英釋意

      valence

      英 ['ve?l(?)ns] 美['vel?ns]
      • n. [化學(xué)] 價;[化學(xué)] 原子價;[化學(xué)] 化合價;效價
      • n. (Valence)人名;(法)瓦朗斯

      英英釋意


      1. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
      2. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)