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Variant of valence.


(ˈveɪlənsɪ) or


n, pl -cies or -ces
1. (Chemistry) chem a property of atoms or groups, equal to the number of atoms of hydrogen that the atom or group could combine with or displace in forming compounds
2. (Linguistics) linguistics the number of satellite noun phrases with which a verb combines: the English verb 'give' takes a subject and two objects, so it has a valency of three.
3. (Biochemistry) immunol
a. the number of antigen-binding sites on an antibody molecule
b. the number of antigen-binding sites with which an antigen can combine
[C19: from Latin valentia strength, from valēre to be strong]


(ˈveɪ ləns)

also valency

a. the quality that determines the number of atoms or groups with which any single atom or group will unite chemically.
b. the relative combining capacity of an atom or group compared with that of the standard hydrogen atom.
2. the number of binding sites on a molecule, as an antibody or antigen.
[1865–70; < Latin valentia strength, worth =valent-, s. of valēns, present participle of valēre to be strong + -ia n. suffix; see -ence]



a city in SE France. 70,307.


The number of electrons required by an atom to form a stable molecule or radical.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.valency - the phenomenon of forming chemical bonds
chemical phenomenon - any natural phenomenon involving chemistry (as changes to atoms or molecules)
2.valency - (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"
biological science, biology - the science that studies living organisms
3.valency - (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
covalence, covalency - valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions


[ˈveɪlənsɪ] Nvalencia f


[ˈveɪlənsɪ] va£lence (Am) [ˈveɪləns] n (Chem) → valenza
References in periodicals archive ?
Linguists shed new light on the interaction of aspect and valency in the nominal domain from the perspective of frameworks couched in the generative lexicalist and constructional tradition.
Starting in the seaside village of Boscastle, explore the cliffs above the medieval harbour before heading inland across the Valency Valley.
He said: Malaysia (Bernas) and Singapore (Agrocorp, Marzuk Agri, Valency International) have private trading companies that have operations in Vietnam, Thailand and Myanmar.
There are offered the quantitative methods of determination of ecological valency and tolerance of species of plants.
On distance-regular graphs with fixed valency, Graphs and Combin, 3, 95-109.
It concerns what is known in linguistics as the valency of verbs.
The starting point to exploit the corpus and create the database was the valency of lexical verbs and clause patterns so as to meet the needs of the learners of the course of DGE II.
The software offers two kinds of invention experiments: Synthesis Mode--where virtual synthetic reactions are performed using a library of generic reactions and library of reactants and result in ideas having a virtual synthetic pathway to allow assessment of synthetic feasibility--and Dream Mode, where 28 different molecular change operators are used to access a wider universe of chemistry and ensures structures are chemically reasonable and obey valency rules.
Hayat, Valency based topological indices of carbon nanocones, Sci.
However, we also acknowledge that there are multiple technical considerations in the adoption of a quantitative flow cytometry assay, which include the methodology used to quantitate, the use of fixative or phosphate-buffered saline, variations in the Quantibrite lot numbers, the use of clones and their valency (Fab versus immunoglobulin), the saturation of the antibody, and the 1:1 conjugation.
This perceptual valency was less marked in the I 967 work, in which the critique of the frame was fundamental and predominant.
Challenging traditional barriers between computational linguistics and Latin linguistics, the author chose to explore valency structure from Latin annotated corpora as her PhD dissertation thesis.