body dysmorphic disorderbody dys‧morph‧ic dis‧or‧der /ˌbɒdi dɪsˈmɔːfɪk dɪsˌɔːdə $ ˌbɑːdi dɪsˈmɔːrfɪk dɪsˌɔːrdər/ (also body dys‧mor‧phi‧a /-ˈmɔːfiə $ -ˈmɔːr-/) noun [uncountable] 
(abbreviation BDD) a mental condition in which someone wrongly believes that part of their body is very ugly or not normal
(abbreviation BDD) a mental condition in which someone wrongly believes that part of their body is very ugly or not normal