ecto

ecto-

a combining form meaning “outer,” “outside,” “external,” used in the formation of compound words: ectoderm.
Also, especially before a vowel, ect-.


Origin:
combining form of Greek ektós outside

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To ecto
Collins
World English Dictionary
ecto-
 
combining form
indicating outer, outside, external: ectoplasm
 
[from Greek ektos outside, from ek, ex out]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

ecto-
comb. form of Gk. ektos "outside" (adv.), used to form scientific compounds in Greek.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

ecto- or ect-
pref.
Outer; external: ectoparasite.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature