tri-


  1. a combining form meaning “three,” used in the formation of compound words: triacid; triatomic.

Origin of tri-

1
Middle English <Latin, combining form representing Latin trēs, tria,Greek treîs, tríathree

Words Nearby tri-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use tri- in a sentence

  • My weary shoulders fairly ache as we pass through the constant, or tri-yearly, recurrence of the same experience.

  • He rather prided himself on the way he played his part, and wore the tri-color cockade with an air of conviction.

    The Light That Lures | Percy Brebner
  • Sabatier entered more carefully than he was wont to do, his hand upon a pistol thrust into his tri-color sash.

    The Light That Lures | Percy Brebner
  • Tiny Moth planes stood wing to wing with huge tri-motored cabin ships that would hold a dozen passengers each.

    The Flying Reporter | Lewis E. (Lewis Edwin) Theiss
  • Anthropolatry, an-thro-pol′a-tri, n. the giving of divine honours to a human being, a term always employed in reproach.

British Dictionary definitions for tri-

tri-

prefix
  1. three or thrice: triaxial; trigon; trisect

  2. occurring every three: trimonthly

Origin of tri-

1
from Latin trēs, Greek treis

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