单词 | quadrivalency |
释义 | quadrivalency/ˌkwɒdrɪˈveɪlənsi/ /ˌkwɒdrɪˈveɪlə(ə)nsi/Chemistry noun = tetravalence. OriginEarly 20th century; earliest use found in Journal of the Chemical Society. From quadri- + -valency, after quadrivalent. |
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