alterant

As a noun alterative

is .

As an adjective alterative

is causing alteration specifically: gradually changing, or tending to change, a morbid state of the functions into one of health.

As a verb alterant is

.

As adjectives the difference between alternant and alterant

is that alternant is alternating from one row of a matrix to another while alterant is altering; gradually changing.

As nouns the difference between alternant and alterant

is that alternant is an alternate form or allomorph while alterant is something that causes alteration, that alters.