1) Distortion 2) Wood distortion 
• (n.) The act of warping; also, a charge per ton made on shipping in some harbors.
Dimensional distortion of a plastic part due to strain resulting from injection molding or other conversion methods.
) The deviation from flatness of a board characterised by an approximately cylindrical or spherical curvature. (Also referred to as ‘bow` and ‘twist`)
Warp'age noun The act of warping; also, a charge per ton made on shipping in some harbors. 
Dimensional distortion in a composite part.
Deformation other than contraction that develops in a casting between solidification and room temperature; also, distortion occurring during annealing, stress relieving, and high-temperature service.
A nonuniform change in internal stresses resulting distortion or warp of the material.
A non-uniform change in internal stresses resulting distortion or warp of the plastic profile or part.
Dimensional distortion in a plastic object after forming.
Dimensional distortion in a plastic object after molding.
dimensions distortion in a plastic object after molding.