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intra-

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SEE MORE SYNONYMS FOR intra- ON THESAURUS.COM

a prefix meaning “within,” used in the formation of compound words: intramural.

RELATED CONTENT

Inter- vs Intra-What’s the difference between the interstate highway and the intrastate highway? Inter- is a prefix that means between two groups, and intra- is a prefix which means within or inside one group. Inter- and intra- are both prefixes, which are groups of letters that are placed at the beginning of a word in order to change its meaning. Inter- Inter- is a common prefix that …
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RELATED WORDS

then, afterwards, eventually, thereafter, later, soon, next, late, subsequently, after, behind, ultimately, latterly, ensuingly, thereon

Nearby words

  1. intr,
  2. intr.,
  3. intra muros,
  4. intra vires,
  5. intra vitam,
  6. intra-abdominal,
  7. intra-aortic balloon device,
  8. intra-aortic balloon pump,
  9. intra-arterial,
  10. intra-atomic
Compare intro-.

Origin of intra-

< Late Latin intrā-, representing Latin intrā (adv. and preposition); akin to interior, inter-
Can be confusedinter- intra-

Definition for intra (2 of 3)

ab intra

[ ahb in-trah; English ab in-truh ]
/ ɑb ˈɪn trɑ; English æb ˈɪn trə /

adverb Latin.

from inside; from within.

Definition for intra (3 of 3)

intra muros

[ in-trah moo-rohs; English in-truh myoo r-ohs ]
/ ˈɪn trɑ ˈmu roʊs; English ˈɪn trə ˈmyʊər oʊs /

adverb Latin.

within the walls, as of a city.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for intra

British Dictionary definitions for intra

intra-

prefix

within; insideintravenous

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

Word Origin and History for intra

intra-

word-forming element meaning "within, inside, on the inside," from Latin intra "on the inside, within," related to inter "between," from PIE *en-t(e)ro-, from root *en "in" (see in). Commonly opposed to extra-, but the use of intra as a prefix was rare in classical Latin.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for intra

intra-

pref.

Within:intramedullary.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for intra

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.