Library / English Dictionary

    MONOVALENT

    Pronunciation (US): Play  (GB): Play

     I. (adjective) 

    Sense 1

    Meaning:

    Having a valence of 1play

    Synonyms:

    monovalent; univalent

    Classified under:

    Adjectives

    Attribute:

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

    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)

    Antonym:

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

    Sense 2

    Meaning:

    Containing only one kind of antibodyplay

    Classified under:

    Adjectives

    Attribute:

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

    Domain category:

    immunology (the branch of medical science that studies the body's immune system)

    Antonym:

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

    Credits

     Context examples: 

    A monovalent radical consisting of one hydrogen and oxygen atom found in bases, carboxylic acids, and alcohols.

    (Hydroxyl Radical, NCI Thesaurus)

    An organic compound with a cyclic or non-cyclic structure with single, double bonds or both that contains the monovalent group, -NO2, linked to a carbon atom and exposure to one of these compounds may increase human cancer risk.

    (Nitro-compound Carcinogen, NCI Thesaurus)


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