MONOVALENT

Pronunciation (US): (GB):

I. (adjective)

Sense 1

Meaning:

Having a valence of 1

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 antibody

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.