单词 | valency |
释义 | valency/ˈveɪl(ə)nsi![]() noun (plural valencies) 1 Chemistry, chiefly British The combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with: carbon always has a valency of 4...
1.1 Linguistics The number of grammatical elements with which a particular word, especially a verb, combines in a sentence: ‘give’ has a valency of three in ‘I (1) gave it (2) to him (3)’...
OriginEarly 17th century: from late Latin valentia 'power, competence', from valere 'be well or strong'. |
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