Definition of tri- in English:

tri-

combining form

  • 1Three; having three: triathlon
  • 1.1 Chemistry (In names of compounds) containing three atoms or groups of a specified kind: trichloroethane

Origin

from Latin and Greek, from Latin tres, Greek treis 'three'.

More definitions of tri-

Definition of tri- in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw