ETYM Latin deformatio: cf. French déformation.
Alteration in the shape or dimensions of an object as a result of the application of stress to it.
ETYM Latin transformatio: cf. transformation.
In mathematics, a mapping or function, especially one which causes a change of shape or position in a geometric figure. Reflection, rotation, enlargement, and translation are the main geometrical transformations.
1. A function that changes the position or direction of the axes of a coordinate system.
2. A qualitative change; SYN. transmutation, shift.
3. The act of transforming; SYN. translation.