(grammar) A physical form representing some morpheme in language. It is a recurrent distinctive sound or sequence of sounds.

An allomorph: one of a set of realizations that a morpheme can have in different contexts.

Local variety of a species, distinguishable from other populations of the species by morphology or behaviour.

A computer-generated gradual change from one image to another.

To change shape, from one form to another, through computer animation.

(of fantastic beings in science fiction or fantasy) To shapeshift.

To undergo dramatic change in a seamless and barely noticeable fashion.