# Definition of *covariant* in English:

## covariant

Line breaks: co|vari¦antPronunciation: /kəʊˈvɛːrɪənt
/

*Mathematics*

### noun

- A function of the coefficients and variables of a given function which is invariant under a linear transformation except for a factor equal to a power of the determinant of the transformation.More example sentences
- One-way analysis of covariance, with pretest scores as covariants, were used when tests for homogeneity of variance dictated that ANCOVA was warranted.
- Residual depression scores and negative affectivity scores also were linked to cardiac-related mortality after adjusting for each other and for cardiac covariants.
- This was significant even after adjustments for covariants.

### adjective

Back to top- 1Changing in such a way that mathematical interrelations with another simultaneously changing quantity or set of quantities remain unchanged.More example sentences
- The special theory of relativity is notorious for positing laws that turn what we thought were invariant quantities, e.g., length, duration, and mass, into covariant quantities.
- Salmon, in his famous text, gave an equation in covariant form.
- In 1887 he published a famous paper in which he developed the calculus of tensors, following on the work of Christoffel, including covariant differentiation.

- 1.1Relating to or having the properties of a covariant.More example sentences
- Salmon, in his famous text, gave an equation in covariant form.
- However, such covariant mutation can also occur within closely related groups.
- Thus each axis can be seen as a composite morphological character combining the covariant part of the initial morphometric parameters.

## Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Pronunciation: ˌkələrəˈto͝orə

noun

elaborate ornamentation of a vocal melody