different between valence vs covalence
valence
English
Etymology 1
In the sense “extract, preparation”, from Latin valentia (“strength, capacity”) (1425). The now-current sense of “combining capacity (of an atom)” is from German Valenz (1884), from the same Latin word. The linguistic definition was formed in analogy to its use in chemistry. The sense “one-dimensional value” used in psychology is also from German Valenz (1935).
Pronunciation
- IPA(key): /?ve?l?ns/
Noun
valence (countable and uncountable, plural valences)
- (chemistry, medicine, obsolete) An extract; a preparation, now especially one effective against a certain number of strains of a pathogen.
- (chemistry) The combining capacity of an atom, radical or functional group determined by the number of electrons that it will lose, gain, or share when it combines with other atoms etc. [from 1884]
- Synonym: valency
- (chemistry) The number of binding sites of a molecule, such as an antibody or antigen.
- (linguistics) The number of arguments that a verb can have, including its subject, ranging from zero (for the likes of "It rains") to three (for the likes of "He gives her a flower") or, less commonly, four.
- Synonym: valency
- (especially psychology) A one-dimensional value assigned to an object, situation, or state, that can usually be positive or negative. [from 1935]
- (sociology) Value.
Alternative forms
- valency (mostly UK)
Derived terms
Related terms
- valent
- -valent
Translations
Etymology 2
This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
Pronunciation
- IPA(key): /?væl?ns/
Noun
valence (plural valences)
- Alternative spelling of valance
Further reading
- valence on Wikipedia.Wikipedia
- Valence (chemistry) on Wikipedia.Wikipedia
- Valency (linguistics) on Wikipedia.Wikipedia
- Valence (psychology) on Wikipedia.Wikipedia
- Expectancy theory on Wikipedia.Wikipedia
- Douglas Harper (2001–2021) , “valence”, in Online Etymology Dictionary
Anagrams
- enclave
Czech
Pronunciation
- IPA(key): [?val?nt?s?]
- Rhymes: -?nts?
Noun
valence f
- (chemistry) valence, valency
- Synonym: mocenství
- (linguistics) valence, valency
Derived terms
- valen?ní
Related terms
- See vale
Further reading
- valence in P?íru?ní slovník jazyka ?eského, 1935–1957
- valence in Slovník spisovného jazyka ?eského, 1960–1971, 1989
- valence in Akademický slovník cizích slov, 1995, at prirucka.ujc.cas.cz
French
Etymology
Back-formation from monovalence., etc.
Pronunciation
- IPA(key): /va.l??s/
Noun
valence f (plural valences)
- (chemistry) valence
- (linguistics) valency
See also
- rection
- transitivité
Further reading
- “valence” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Anagrams
- enclave, enclavé
valence From the web:
- what valence electrons
- what valence electrons determine
- what valence bond theory
- what valence does metal have
- what valence means
- what shows valence electrons
covalence
English
Alternative forms
- covalency
Etymology
From co- +? valence.
Noun
covalence (plural covalences)
- (chemistry) A form of valence in which electrons are shared between participating atoms
- (chemistry) The number of electrons that a particular atom can share (and therefore the number of covalent bonds it can form)
Anagrams
- Lance Cove
covalence From the web:
- what is the covalency of nitrogen in n2o5
- what does covalent mean
- covalency of n2o5
- covalent bond
- what is covalence number
- what is the covalency of nitrogen in n2o
- what is valency
- what is covalence meaning
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