Dictionary.com
definitions

peri-

a prefix meaning “about” or “around” (perimeter, periscope), “enclosing” or “surrounding” (pericardium), and “near” (perigee, perihelion), appearing in loanwords from Greek (peripeteia); on this model, used in the formation of compound words (perimorph).

RELATED CONTENT

A Long List of Affixes: Suffixes, Prefixes, and Combining FormsSuffixes -able, -ible, -ile:  (form adjs) able to, fit to, worthy, capable; apt to; subject to being ~-ed -ac:  one affect with -ac, -al, -ane, -ar, -ary, -ch, -ese, -ic, -ical, -id, -ile, -ine, -ish, -ory:  like, of, pertaining to; characterized by -aceae:  families of plants -aceous, -ous:  resemblance to a substance; full of -acy, -age, -ance, -ancy, -asm, -dom, -ence, -ency, -hood, -ism, -ity, -ment, -mony, -ness, -ry, -ship, …
READ MORE

Nearby words

  1. perhaps,
  2. perhydrogenate,
  3. perhydrogenize,
  4. peri,
  5. peri, jacopo,
  6. peri-infarction block,
  7. periadenitis,
  8. periadenitis mucosa necrotica recurrens,
  9. periander,
  10. periangiitis

Origin of peri-

< Greek, prefixal use of perí (adv. and preposition)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for peri-

peri-

prefix

enclosing, encircling, or aroundpericardium; pericarp; perigon
near or adjacentperihelion

Word Origin for peri-

from Greek peri around, near, about
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 peri-

peri-

word-forming element meaning "around, about, enclosing," from Greek peri (prep.) "around, about, beyond," cognate with Sanskrit pari "around, about, through," Latin per, from PIE *per- (1) "forward, through" (see per).

Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for peri-

peri-

pref.

Around; about; enclosing:perimysium.
Near:perinatal.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for peri-

peri-

A prefix that means: “around” (as in pericardium,) or “near” (as in perihelion).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.