| 单词 | quadrivalence |
| 释义 | Definition of quadrivalence in English:quadrivalencenoun ˌkwɒdrɪˈveɪl(ə)nsˌkwɒdrɪˈveɪləns Chemistry
OriginMid 19th century; earliest use found in Robert Bridges (1844–1930), poet. From quadri- + -valence, after quadrivalent. Definition of quadrivalence in US English:quadrivalencenoun Chemistry
OriginMid 19th century; earliest use found in Robert Bridges (1844–1930), poet. From quadri- + -valence, after quadrivalent. |
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