Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

tri-

 - 4 dictionary results
Tri at Amazon
Save on Tri Free 2-Day Shipping w/Amazon Prime!
Amazon.com/Toys
Meet Triathlon Singles
View Photo Profiles. Local Singles into Triathlons. Join Now for Free.
www.Fitness-Singles.com

tri-

 
Use tri- in a Sentence
a combining form meaning “three,” used in the formation of compound words: triacid; triatomic.
Origin:
ME < L, comb. form repr. L trēs, tria, Gk treîs, tría three
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To tri-
Tri at Amazon
Save on Tri Free 2-Day Shipping w/Amazon Prime!
Amazon.com/Toys
Meet Triathlon Singles
View Photo Profiles. Local Singles into Triathlons. Join Now for Free.
www.Fitness-Singles.com
tri-  
pref.  

  1. Three: trilobate.

    1. Occurring at intervals of three: trimonthly.

    2. Occurring three times during: triweekly.


[Middle English, from Latin and Greek; see trei- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

tri- 
comb. form meaning "three," from L. tres (neut. tria) or Gk. treis (neut. tria) "three" (see three).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

tri- pref.

  1. Three: tricuspid.

  2. Containing three atoms, molecules, or groups: triacetic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Search another word or see tri- on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way