covariant
[kohvaireeuh nt]

adjective Mathematics.
(of one magnitude with respect to another) varying in accordance with a fixed mathematical relationship: The area of a square is covariant with the length of a side.
Origin of covariant
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for covariant
Historical Examples of covariant
We have in the Hessian the first instance of a covariant of a ternary form.