deformation

noun
1
the process or result of changing or damaging the usual or natural shape of something
تغییر شکل, بدشکلی, اعوجاج, دفورمگی
2
a change in the usual or natural shape of something
تغییر شکل, دفورماسیون, بدشکلی
a deformation of the spine
a deformation in the Earth's crust that allows a volcano to pierce through from below