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endo-

American  
  1. a combining form meaning “within,” used in the formation of compound words.

    endocardial.


endo- British  

combining form

  1. inside; within

    endocrine

"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

endo– Scientific  
  1. A prefix meaning “inside,” as in endoskeleton.


Etymology

Origin of endo-

< Greek, combining form of éndon within; cognate with Old Irish ind-, OL endo- in, on

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Steinmetz has proposed a division into endo- and exo-cannibalism; but these divisions are frequently of minor importance, and he has failed to define satisfactorily the limits of the groups on which his classification is based.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" by Various

The endo- and pericardium occasionally present a somewhat mottled appearance resembling ecchymosis, which is evidently a deposit from the blood, and may be washed off with water.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

On the other hand, endo- and peri-carditis are excessively rare.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various