WordReference Random House Unabridged Dictionary of American English © 2017
ex•tro•ver•sion  (ek′strə vûrzhən, -shən, ekstrə vûr′-, -strō-),USA pronunciation n. 
  1. PsychologyAlso,  extraversion. 
    • the act of directing one's interest outward or to things outside the self.
    • the state of being concerned primarily with things outside the self, with the external environment rather than with one's own thoughts and feelings. Cf. introversion (def. 3).
  2. Pathologya turning inside out, as of the eyelids or of the bladder.
ex′tro•versive, ex′tro•vertive, adj. 
ex′tro•versive•ly, ex′tro•vertive•ly, adv. 
  • 1650–60; 1915–20 for def. 1; extro- + Latin versiōn- (stem of versiō) a turning

Collins Concise English Dictionary © HarperCollins Publishers::

extroversion, extraversion /ˌɛkstrəˈvɜːʃən/ n
  1. the directing of one's interest outwards, esp towards social contacts
Etymology: 17th Century: from extro- (variant of extra-, contrasting with intro-) + -version, from Latin vertere to turn

ˌextroˈversive, ˌextraˈversive adj

'extroversion' also found in these entries:

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