tetravalent

[te-truh-vey-luhnt, te-trav-uh-]

adjective

Chemistry.

1. having a valence of four, as Pt +4 .

2. quadrivalent.

tetravalent

/ ˌtɛtrəˈveɪlənt /

adjective

1. having a valency of four

2. Also: quadrivalent. having four valencies

Other Word Forms

• tetravalency noun
• tetravalence noun

Word History and Origins

Origin of tetravalent¹

First recorded in 1865–70; tetra- + -valent

Example Sentences

A few genes from the other three serotypes have been put into the virus to create the “tetravalent” vaccine.

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The Philippines’ Food and Drug Administration approved Dengvaxia, tetravalent dengue vaccine, for the prevention of disease caused by all four dengue types in individuals from 9 to 45 years old living in endemic areas.

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At this level, clinical investigation conducted in Thailand showed promising data for a tetravalent dengue vaccine.

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Other organic compounds which contain tetravalent oxygen are exceedingly active chemically, and there seems to be much to commend this view of the chemical structure of the water molecule.

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In many cases it may be connected with basic oxygen, and the salt formation is assumed to involve the passage of divalent into tetravalent oxygen.

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