a prefix meaning “within,” used in the formation of compound words: intramural.
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Origin of intra-
WORDS THAT MAY BE CONFUSED WITH intra-inter-, intra- .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for intra-
Word Origin for intra-
from Latin intrā on the inside, within; see interior
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
Medical definitions for intra-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for intra-
A prefix meaning inside or within, as in intravenous, within a vein.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.