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1. Physics Expressing, exhibiting, or relating to covariant theory.
2. Statistics Varying with another variable quantity in a manner that leaves a specified relationship unchanged.


(ˈkəʊˌvɛərɪənt) maths
(Mathematics) a variant that changes leaving interrelations with another variant (or variants) unchanged
(Mathematics) changing in such a way that interrelations with another variant (or variants) remain unchanged


(koʊˈvɛər i ənt)

(of one magnitude with respect to another) varying in accordance with a fixed mathematical relationship.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.covariant - changing so that interrelations with another variable quantity or set of quantities remain unchanged
variable - liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses"
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References in periodicals archive ?
Vekua, The Basics of Tensor Analysis and Theory of Covariants, Nauka, Moscow, Russia, 1978 (Russian).
Exploratory analysis with gender and age as covariants altogether in MANCOVA and ANCOVAs for the total score, Memory of Digits, Zareki-R subtests, and for Score A indicated that there were no interactions between these factors.
This study has the strengths of its large size, the good data it had on tumor type and covariants, its attempt to model the impact of a cumulative glargine dosage, and its ability to place the impact of glargine within the context of other insulin analogues.
This is a complex relationship that requires studies to go beyond univariate analysis and account for patient and organizational covariants.
Multivariate analysis of covariance was performed when QoL subscales were dependent variables and age onset of regular alcohol use, MAST, depression and anxiety symptoms were taken as covariants.
Specific papers address holomorphic Eisenstein series with Jacobian twists, Hessians and the moduli surface of cubic surfaces, covariants of a pane quartic associated to its even theta characteristics, a partial solution to Kollar's conjecture, invariants of quartic plane curves as automorphic forms, correspondences of a K3 surface with itself, automorphisms of hyperkahler manifolds in the view of topological entropy, classical Kummer surfaces and Mordell-Weil lattices, and Newmeier lattices and K3 groups.
Using these covariants, Wilhelm and Ritz were able to calculate risk and odds ratios to assess the influence of roadway proximity on adverse birth outcomes.
After adjusting for obesity and other covariants, lower intake of either vegetable fat or omega-3 fat from fish was associated with significantly higher estradiol levels in the women studied.