deformation

noun
UK /ˌdiːfɔːˈmeɪʃən/
US /ˌdiːfɔːrˈmeɪʃən/

A change in the usual shape of something.

The crash caused a slight deformation of the car's bumper.


OTHER MEANINGS

2. A change in the form of a word, such as adding a prefix or suffix.

The plural 'cats' is a deformation of the singular 'cat'.

3. A flaw or disfigurement in something's appearance.

The old statue showed deformation from years of weathering.

4. In geology, a change in the shape or volume of rock due to pressure.

The mountain range formed through the deformation of the Earth's crust.