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Audio English.org » Dictionary » V » Vacuum Gauge ... Vali

VALENCY

 Dictionary entry overview: What does valency mean? 

VALENCY (noun)
  The noun VALENCY has 3 senses:

1. the phenomenon of forming chemical bonds
2. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
3. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)

  Familiarity information: VALENCY used as a noun is uncommon.


 Dictionary entry details 


VALENCY (noun)


Sense 1valency [BACK TO TOP]

Meaning:

The phenomenon of forming chemical bonds

Classified under:

Nouns denoting natural phenomena

Hypernyms ("valency" is a kind of...):

chemical phenomenon (any natural phenomenon involving chemistry (as changes to atoms or molecules))


Sense 2valency [BACK TO TOP]

Meaning:

(biology) a relative capacity to unite or react or interact as with antigens or a biological substrate

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

valence; valency

Hypernyms ("valency" is a kind of...):

power; powerfulness (possession of controlling influence)

Attribute:

polyvalent (containing several antibodies each capable of counteracting a specific antigen)

monovalent (containing only one kind of antibody)

multivalent (used of the association of three or more homologous chromosomes during the first division of meiosis)

bivalent; double (used of homologous chromosomes associated in pairs in synapsis)

univalent (used of a chromosome that is not paired or united with its homologous chromosome during synapsis)

Domain category:

biological science; biology (the science that studies living organisms)


Sense 3valency [BACK TO TOP]

Meaning:

(chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

valence; valency

Hypernyms ("valency" is a kind of...):

power; powerfulness (possession of controlling influence)

Attribute:

monovalent; univalent (having a valence of 1)

multivalent; polyvalent (having more than one valence, or having a valence of 3 or higher)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

Hyponyms (each of the following is a kind of "valency"):

covalence; covalency (valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share)


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 VALENCY: related words searches 

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