determinant

The factor that contributes to the generation of a trait. [L. determans, determining, limiting]
- allotypic determinants antigenic determinants of allotypes.
- antigenic d. the particular chemical group of a molecule that determines immunological specificity. SYN: d. group.
- disease determinants any variables that directly or indirectly influence the frequency of occurrence and/or the distribution of any given disease; they include specific disease agents, host characteristics, and environmental factors.
- genetic d. any antigenic d. or identifying characteristic, particularly those of allotypes. SYN: genetic marker.
- idiotypic antigenic d. SYN: idiotope.
- isoallotypic determinants genetic determinants that are both isotypic and allotypic in that they appear on heavy chains of all members of at least one subclass of immunoglobulin but also on heavy chains of another subclass of the same species.
- mathematical d. a formal algebraic operation on the terms of a square matrix of quantities, fundamental in solving multiple simultaneous equations and widely used in regression analysis, notably in epidemiology and quantitative genetics. If d. is zero, the equations have no unambiguous solution.

* * *

de·ter·mi·nant di-'tərm-(ə-)nənt n
1 a) a hypothetical aggregate of biophores conceived as comparable to the gene of more recent biological theory
b) GENE
2) EPITOPE

* * *

de·ter·mi·nant (de-turґmĭ-nənt) [L. determinare to bound, limit, or fix] a factor that establishes the nature of an entity or event.

Medical dictionary. 2011.

Look at other dictionaries:

  • déterminant — déterminant, ante [ detɛrminɑ̃, ɑ̃t ] adj. et n. m. • av. 1662; de déterminer I ♦ Adj. 1 ♦ Qui détermine (1o); qui sert à déterminer. ⇒ caractéristique. Motif déterminant. Cause déterminante. 2 ♦ Qui décide d une chose ou d une action. ⇒… …   Encyclopédie Universelle

  • determinant — DETERMINÁNT, Ă, determinanţi, te, adj., s.m. I. adj. 1. Care determină sau este de natură să determine ceva; hotărâtor. 2. (Despre cuvinte sau propoziţii; adesea substantivat) Care precizează sensul altui cuvânt sau al altei propoziţii cu care… …   Dicționar Român

  • Determinant — Déterminant Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • déterminant — déterminant, ante (dé tèr mi nan, nan t ) adj. Qui détermine. Ce motif est déterminant. •   J expose celles de mes raisons que je pouvais dire sans compromettre Mme Levasseur et sa famille ; car les plus déterminantes venaient de là, et je les… …   Dictionnaire de la Langue Française d'Émile Littré

  • Determinant — De*ter mi*nant, n. 1. That which serves to determine; that which causes determination. [1913 Webster] 2. (Math.) The sum of a series of products of several numbers, these products being formed according to certain specified laws; Note: thus, the… …   The Collaborative International Dictionary of English

  • déterminant — DÉTERMINANT, ANTE. adject. Qui détermine, qui sert à déterminer. Ce motif est déterminant. C est une raison déterminante …   Dictionnaire de l'Académie Française 1798

  • Determinant — De*ter mi*nant, a. [L. determinans, p. pr. of determinare: cf. F. d[ e]terminant.] Serving to determine or limit; determinative. [1913 Webster] …   The Collaborative International Dictionary of English

  • determinant — I noun agent, authority, background, base, basis, consideration, constitutive element, contributing force, contributor, decisive factor, determining circumstance, determining element, determining influence, driving force, element, factor,… …   Law dictionary

  • determinant — c.1600 (adj.); 1680s (n.), from L. determinantem (nom. determinans), prp. of determinare (see DETERMINE (Cf. determine)) …   Etymology dictionary

  • determinant — determìnant m <G mn nātā> DEFINICIJA gram. oznaka, sastavnica imenske sintagme koja se odnosi na imenicu, o njoj ovisi, tj. pobliže je označuje (kao vrsta riječi to su posebice član, pridjev, posesiv, demonstrativ, broj) ETIMOLOGIJA vidi… …   Hrvatski jezični portal

  • determinant — antecedent, *cause, reason, occasion Analogous words: factor (see ELEMENT): *influence, weight, authority …   New Dictionary of Synonyms

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