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[ek-sturn; for 3 also ik-sturn] /ˈɛk stɜrn; for 3 also ɪkˈstɜrn/
a person connected with an institution but not residing in it, as a doctor or medical student at a hospital.
a nun of a strictly enclosed order, as the Carmelites, who resides inside the convent but outside its enclosure and who chiefly goes on outside errands.
Archaic. external; outer.
Origin of extern
1525-35; < Latin externus, derivative of exter, exterus. See exterior Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for extern
  • The extern will keep a daily record of tasks completed.
  • And an extern license cannot be issued if the applicant is deficient in one of the core courses.
British Dictionary definitions for extern


/ˈɛkstɜːn; ɪkˈstɜːn/
(US) a person, such as a physician at a hospital, who has an official connection with an institution but does not reside in it
Word Origin
C16: from Latin externusexternal
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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Word Origin and History for extern

"outsider," c.1600, from French externe, from Latin externus (see external).

Online Etymology Dictionary, © 2010 Douglas Harper
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extern in Medicine

extern ex·tern (ěk'stûrn')
An advanced student or recent graduate who assists in the medical or surgical care of hospital patients and may reside outside the institution.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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