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词汇 valency
释义

valency

noun
/ˈveɪlənsi/
/ˈveɪlənsi/
[countable, uncountable]
(plural valencies)
(also valence
/ˈveɪləns/
/ˈveɪləns/
especially in North American English
)
  1. (chemistry化学) a measurement of the power of an atom to combine with others, by the number of atoms of hydrogen it can combine with or displace价;化合价;原子价
    • Carbon has a valency of 4.碳的化合价是 4 价。
    Wordfinder
    • antiparticle
    • atom
    • electron
    • ion
    • neutron
    • nucleus
    • particle
    • positron
    • proton
    • valency
    Wordfinder
    • acid
    • catalyst
    • chemistry
    • compound
    • formula
    • molecule
    • pH
    • react
    • solution
    • valency
  2. (linguistics语言学) the number of grammatical elements that a word, especially a verb, combines with in a sentence组配数限,配价(一个词,尤指动词,在句子中结合的语法成分的数目)
  3. 词源early 17th cent.: from late Latin valentia ‘power, competence’, from valere ‘be well or strong’.
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