Learn how to say Invariants correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word invariant:
(mathematics) an entity, quantity, etc, that is unaltered by a particular transformation of coordinates ⇒ a point in space, rather than its coordinates, is an invariant
(mathematics) (of a relationship or a property of a function, configuration, or equation) unaltered by a particular transformation of coordinates
a rare word for invariable