TRI-


Meaning of TRI- in English

transcription, транскрипция: [ combining form ]

Etymology: Latin (from tri-, tres ) & Greek, from tri-, treis — more at three

1. : three : having three elements or parts

tri graph

2. : into three

tri sect

3.

a. : thrice

tri weekly

b. : every third

tri monthly

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.