tri-
tri- definition
tri- (trī)
- having, combining, or involving three triangle, trichromatic
- triply, in three ways or directions triphibian
- three times, into three trisect
- every three, every third triennial, triweekly
- Chem. having three atoms, groups, or equivalents of (the thing specified) tribasic, tribromide
Etymology: < Fr, L, or Gr: Fr tri- < L (< tres, three) or Gr (< treis, three, tris, thrice)
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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