(medicine, now historical) A medicine or treatment which works by changing processes within the body, rather than by evacuating something etc.

Causing alteration. / (medicine) Gradually changing, or tending to change, a morbid state into a healthy one.

The state or quality of being alterable.

(philosophy, anthropology) Otherness; the entity in contrast to which an identity is constructed.

simple past tense and past participle of alter

A kind of car in drag racing, usually with a partial body situated behind the exposed engine.

Having been changed from an original form. / (of an animal, usually a pet) Neutered; having had testicles or uterus and ovaries removed to prevent procreation.

present participle of alter

alteration

Capable of being changed, changeable, mutable