trivalent

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trivalent

 [tri-va´lent]
having a valence of three.

tri·va·lent

(trī-vā'lent),
Having combining power (valence) of 3.

trivalent

/tri·va·lent/ (tri-va´lent) having a valence of three.

trivalent

(trī-vā′lənt)
adj.
1. Chemistry Having valence 3.
2. Immunology
a. Having three sites of attachment. Used of an antibody or antigen.
b. Containing antigens from three strains of a microorganism or virus. Used of a vaccine or serum.

tri·va′lence, tri·va′len·cy n.

trivalent

[trīvā′lənt]
Etymology: Gk, treis + L, valere, to be worth
1 pertaining to an atom or group of atoms with the capability of bonding with or replacing three monovalent elements.
2 designating a vaccine that can prevent diseases or conditions.

tri·va·lent

(trī-vā'lĕnt)
Having the combining power (valence) of 3.

trivalent

having a valence of three.

trivalent phenylorganic arsenicals
includes the pharmaceuticals thiacetarsamide, arsphencomplexamine. See also organic arsenical.
References in periodicals archive ?
In most cases, the abnormalities were the result of the apparent lack of chiasma formation between a metacentric and one acrocentric element of one or more trivalent.
Whereas most of the aneuploidy could be attributed to trivalent non-disjunction, three nuclei contained complements that could not be attributed to this phenomenon [ILLUSTRATION FOR FIGURE 3F OMITTED].
However, the medial acrocentric element often failed to pair resulting in a trivalent configuration with an unpaired internal region and a corresponding univalent.
c] (BYU 39988) heterozygote showed balanced segregation of the respective chromosome-2 trivalent (table 2).