ecto-


  1. a combining form meaning “outer,” “outside,” “external,” used in the formation of compound words: ectoderm.

Origin of ecto-

1
Combining form of Greek ektós outside
  • Also especially before a vowel, ect-.

Words Nearby ecto-

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How to use ecto- in a sentence

British Dictionary definitions for ecto-

ecto-

combining form
  1. indicating outer, outside, external: ectoplasm

Origin of ecto-

1
from Greek ektos outside, from ek, ex out

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