As a noun deformation
is deformation.
As an adjective antiplane is
(mechanics) being or pertaining to a special class of deformation where the displacements in the body are zero in the plane of interest but non-zero in the direction perpendicular to that plane.
deformation
English
Noun
(
en noun)
The act of deforming, or state of being deformed.
A transformation; change of shape.
antiplane
English
Adjective
(Antiplane shear)
(-)
(mechanics) Being or pertaining to a special class of deformation where the displacements in the body are zero in the plane of interest but non-zero in the direction perpendicular to that plane.