1.  deformation(n = noun.event) distortion - a change for the worse;
is a kind of damage, harm, impairment
has particulars: warp, warping
Derived form verb deform₄

2.  deformation(n = noun.event) - alteration in the shape or dimensions of an object as a result of the application of stress to it;
is a kind of alteration, change, modification
has particulars: shear, strain
Derived forms verb deform₆, verb deform₅, verb deform₄, verb deform₃, verb deform₂, verb deform₁, adjective deformational₁

3.  deformation(n = noun.act) contortion - the act of twisting or deforming the shape of something (e.g., yourself);
is a kind of change of shape
Derived forms verb deform₃, verb deform₂, adjective deformational₁

deformation, n.
1 disfigurement.
2 Physics a (often foll. by of) change in shape. b a quantity representing the amount of this change.
3 a perverted form of a word (e.g. dang for damn).

Derivative:
deformational adj.

Etymology:
ME f. OF deformation or L deformatio (as DEFORM)