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dysmorphophobia

British  
/ dɪsˌmɔːfəʊˈfəʊbɪə /

noun

  1. an obsessive fear that one's body, or any part of it, is repulsive or may become so

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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The condition was first coined by Italian psychiatrist Enrico Morselli in 1891, when he described his patient's excessive worry over imagined defects as "dysmorphophobia" — a Greek word meaning misshapenness.

From Salon