Nearby words

  1. exposure index,
  2. exposure keratitis,
  3. exposure meter,
  4. exposé,
  5. expound,
  6. express delivery,
  7. express lane,
  8. express mail,
  9. express oneself,
  10. express rifle

Origin of express

1275–1325; Middle English expressen < Latin expressus (past participle of exprimere). See ex-1, press1


Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for expressor

  • It seeks to modify the expression, which can only be done through the expressor.

    The Arena|Various

British Dictionary definitions for expressor
Derived Formsexpresser, nounexpressible, adjective

Word Origin for express

C14: from Latin expressus, literally: squeezed out, hence, prominent, from exprimere to force out, from ex- 1 + premere to press

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

Word Origin and History for expressor
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for expressor


[ ĭk-sprĕs ]


To press or squeeze out.
To produce a phenotype. Used of a gene.

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