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polyvalent
(redirected from polyvalence)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
polyvalent [¦päl·i′vā·lənt]
(chemistry)
Pertaining to an ion with more than one valency, such as the sulfate ion, SO42-. Also known as multivalent; polygen.
(immunology)
Of antigens, having many combining sites or determinants.
Pertaining to vaccines composed of mixtures of different organisms, and to the resulting mixed antiserum.


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Mphahlele 2006: 244) The shift from "monument" to "metaphor" introduces to autobiographical narratives polyvalence to the sign which then "refuses to register an easy equivalence between an event and its textual representation" (Chennells 2006: 137).
Barroll's call for the rereading of documents and for the rethinking of patterns of causation comes in the wake of Foucault's account of the "tactical polyvalence of discourses" (1) and of the range of theoretical positions that emphasized discontinuities, instabilities, and the exclusionary forces that underpin the operations of language.
In many cases, the work's polyvalence is pinched by instrumentalization, but this does not seem to matter much.
 
 
 
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