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Definition of tri- in English:

tri-

Translate tri- into Spanish

  • 1Three; having three.

    • ‘triathlon’
    1. 1.1Chemistry (in names of compounds) containing three atoms or groups of a specified kind.
      • ‘trichloroethane’

Pronunciation

tri-

/trī/ /traɪ/

Usage

See ter-

Origin

From Latin and Greek, from Latin tres, Greek treis ‘three’.