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词汇 valency
释义 valency
/ˈveɪlənsi ||; ˈvelənsɪ/noun [C,U] (plural valencies) (technical术语)
1 a measurement of the power of an atom to combine with others, by the number of HYDROGEN atoms it can combine with or take the place of 原子价;化合价: Carbon has a valency of 4. 碳的化合价是4。
2 the number of elements that a word, especially a verb, combines with in a sentence 价,组配数限(一个词,尤其是动词,在句中所具有的结合能力)
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