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extra-

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extra-

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


Origin:
< L, comb. form of extrā (adv. and prep.) outside (of), without
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To extra-
extra- or extro-  
pref.  Outside; beyond: extraterritorial.

[Latin extrā-, from extrā; see eghs in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

extra- or extro-
pref.
Outside; beyond: extracellular.

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