Changed in form or character; in Mathematics, altered in form, but not in value. (In quot. 1413, ‘misshapen’.)

That has undergone metamorphosis; changed in form, nature, or character. Also in Geology: that has undergone metamorphism.

in Geometry (quots. 1571, 1571) applied to a solid in which plane faces are substituted for the original solid angles.

Characterized by, exhibiting, or causing change of form, structure, or character.