a combining form meaning “outside,” “outer,” “external,” used in the formation of compound words: exocentric.
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Origin of exo-
<Greek, combining form of éxō outside
Words nearby exo-
, ex new
, ex nihilo
, ex nihilo nihil fit
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use exo- in a sentence
British Dictionary definitions for exo- (1 of 2)
British Dictionary definitions for exo- (2 of 2)
external, outside, or beyondexobiology; exothermal
Word Origin for exo-
from Greek exō outside
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for exo-
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for exo-
A prefix that means outside or external, as in exoskeleton.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.