covariant

(noun, adjective)

adjective

1. changing so that interrelations with another variable quantity or set of quantities remain unchanged

Similar word(s): variable

noun

1. (algebra) A bihomogeneous polynomial in x, y, ... and the coefficients of some homogeneous form in x, y, ... that is invariant under some group of linear transformations.

2. (algebra) The variety defined by a covariant.