A monic polynomial.
Of a morphism: that it is a monomorphism.
If a composition (of morphisms) is monic then, by theorem, the pre-composite of it is monic as well.
Of a polynomial whose leading coefficient is one.
Monomorphic.
Having, or occurring in, several distinct forms
Crystallizing in two or more different forms; polymorphic
Having, or assuming, a variety of forms, characters, or styles