What does polyvalence mean?
Polyvalence is a specialized noun with two principal uses. In chemistry, it describes the ability of an atom, ion, or group to exhibit more than one valency, or to have a valency greater than two. This property is especially associated with elements such as sulfur, phosphorus, and many transition metals, which can form a variety of compounds. In linguistics, polyvalence describes a word or morpheme that can perform more than one syntactic function, such as a form that can function as both an adjective and an adverb. The word is mainly encountered in academic, scientific, and grammatical writing rather than everyday speech. Although polyvalence can sound like polysemy, the concepts are distinct: polyvalence concerns grammatical function, while polysemy concerns a word’s range of meanings. Polyvalence is also related etymologically to polyvalent, its common adjectival form.
nounPolyvalence is the property of a chemical species or group of being able to exhibit more than one valency, especially a valency greater than two. In linguistics, it refers to a word or morpheme that can perform more than one syntactic function.
- Chemistry: the property of having more than one possible valency, or a valency greater than two.
- Linguistics: the property of a word or morpheme being able to perform more than one syntactic function.
"Sulfur is notable for its polyvalence, forming compounds in which it can exhibit several valencies."
"The compound displays the polyvalence of the central metal ion."
"The suffix's polyvalence allows the same form to function as both an adjective and an adverb."
The plural is grammatically possible but rare in technical writing.
"The study compares the polyvalences of several transition-metal complexes."
Polyvalence is where chemistry and grammar meet: it names both multiple chemical combining power and a morpheme’s capacity to serve more than one grammatical role.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does polyvalence come from?
Polyvalence combines the Greek-derived prefix poly-, meaning “many,” with valence, a word based on Latin valentia, from valens, meaning “strong” or “effective.” The underlying Latin root valere means “to be strong” or “to be worth.” Related English forms include valid and valiant, while valence and valency belong to the same vocabulary family.
Related word forms
How polyvalence is actually used
Polyvalence is chiefly a technical term used in chemistry and linguistics. It is uncommon in general conversation, and its linguistic sense should not be confused with polysemy.
Easily confused with polyvalence
Polyvalence concerns a word or morpheme having more than one syntactic function, whereas polysemy concerns a single word having more than one meaning.