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单词 valency
释义
valency
noun[C]
chemistryspecialized
uk
/ˈveɪ.lən.si/us
/ˈveɪ.lən.si/
(alsovalence)
ameasurementthatshowsthenumberofhydrogenatomsthat cancombinewith oneatomof aparticularchemicalelementto make acompound, used todescribehoweasilyanelementcanconnectin achemicalway withothers:
价，原子价，化合价
Zinc has a valency of 2.锌是二价元素。
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(Definition ofvalencyfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofvalency

valency
Contradictions were also apparent, however, in that respect and criticisms were simultaneously present as explanatory orientations (or ' pragmatic valencies ' or ' paralogy ').
From theCambridge English Corpus
The dependence of a verb's grammatical properties on derivational processes of stem creation is particularly interesting whenvalency-changing mechanisms are considered cross-linguistically.
From theCambridge English Corpus
This density of musical information, as we shall see later, has dramaturgicalvalency.
From theCambridge English Corpus
Above all, the editors stress the need for in-depth typological surveys of each majorvalency-changing type.
From theCambridge English Corpus
Figure 6.1 displays a graphical description of three rings of patches around a vertex ofvalencyfive.
From theCambridge English Corpus
Thevalencyof a vertex, or a face, is the number of edges that share that vertex, or that face.
From theCambridge English Corpus
By way of balance, it would have been ideal if a similarly general chapter onvalency-decreasing mechanisms could have been added to the book.
From theCambridge English Corpus
Strong inherent transitivevalencyand little specific semantics is what turns these verbs into generic, prototypical transitive verbs.
From theCambridge English Corpus
It is suggested that facilitation proceeds by analogy on the basis of similarity in semantics and invalency.
From theCambridge English Corpus
Vertices or faces withvalency= 4 are termed irregular or 'extraordinary'.
From theCambridge English Corpus
Although it might again seem possible to consolidate lexical transitivity and surfacevalency, the properties of impersonals confirm the independence of these notions.
From theCambridge English Corpus
This last process is constrained by agreement within nominal chunks and byvalencyrequirements (subcategorization) within verbal phrases.
From theCambridge English Corpus
Compared tovalency, other aspects of information input seem to be of lesser importance.
From theCambridge English Corpus
The same apparatus is applied to dependencies: the relationship between dogs and bark isa subject, which isavalencyand predependent and (ultimately) dependent.
From theCambridge English Corpus
It assumes a wide definition ofvalency, covering not only the patterns of verbs, but also those of nouns and adjectives.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/valency##
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更新时间：2025/1/19 3:10:55