ecto-


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ecto-

(word root) outside, external
Examples of words with the root ecto-: ectomorph
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

ecto-

pref.
Outer; external: ectoparasite.

[Late Greek ekto-, from ektos, outside, from ek, ek-, out; see eghs in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ecto-

combining form
indicating outer, outside, external: ectoplasm.
[from Greek ektos outside, from ek, ex out]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ecto-

a combining form meaning “outer,” “outside,” “external”: ectoderm.
[comb. form of Greek ektós outside]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Once killed, all ecto- and endoparasites were recovered for identification.
Factors affecting resistance to ecto- and endoparasites of tropical areas and the implications for selection.
8:00 COMPARISON OF ECTO- AND ENDO-PARASITES OF LEPOMIS MACROCHIRUS AND POMOXIS ANNULARIS IN A CARROLL COUNTY MISSISSIPPI WATERSHED POND
The purpose of this study is to report on the prevalence and intensity of ecto- and endoparasites of Pacific sanddab from the highly polluted waters of the PVS.