inter-


a prefix occurring in loanwords from Latin, where it meant “between,” “among,” “in the midst of,” “mutually,” “reciprocally,” “together,” “during” (intercept; interest); on this model, used in the formation of compound words (intercom; interdepartmental).

Origin of inter-

Middle English < Latin (in some words replacing Middle English entre- < Middle French < Latin inter-), combining form of inter (preposition and adv.); see interior

Can be confused

inter- intra-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for inter-

inter-


prefix

between or amonginternational
together, mutually, or reciprocallyinterdependent; interchange

Word Origin for inter-

from Latin
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

Medicine definitions for inter-

inter-


pref.

Between; among:interdental.
In the midst of; within:interoceptor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for inter-

inter-


A prefix meaning “between” or “among,” as in interplanetary, located between planets.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.