change - the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election"

contortion, deformation - the act of twisting or deforming the shape of something (e.g., yourself)

convolution - the action of coiling or twisting or winding together

angulation - the act of making angulate (having corners)

bending - the act of bending something

elongation - the act of lengthening something

enfolding, involution - the action of enfolding something

corrugation - the act of shaping into parallel ridges and grooves

folding, fold - the act of folding; "he gave the napkins a double fold"

indentation - the act of cutting into an edge with toothlike notches or angular incisions

jutting, jut, protrusion, projection - the act of projecting out from something

broadening, widening - the act of making something wider

narrowing - the act of making something narrower