Meaning of DEFORMATION in English

DEFORMATION

de ‧ for ‧ ma ‧ tion /ˌdiːfɔːˈmeɪʃ ə n $ -ɔːr-/ BrE AmE noun [uncountable and countable] technical

a change in the usual shape of something, especially one that makes it worse, or the process of changing something’s shape

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.