extra-


a prefix meaning “outside,” “beyond,” freely used as an English formative: extrajudicial; extraterritorial; extra-atmospheric.

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Also extro-.

Origin of extra-

< Latin, combining form of extrā (adv. and preposition) outside (of), without
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for extra-

extra-

prefix

outside or beyond an area or scopeextrasensory; extraterritorial

Word Origin for extra-

from Latin extrā outside, beyond, changed from extera, from exterus outward
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

Medical definitions for extra-

extra-

pref.

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