comb. form forming nouns and adjectives meaning: 1 three or three times. 2 Chem. (forming the names of compounds) containing three atoms or groups of a specified kind (triacetate). [L & Gk f. L tres, Gk treis three]
TRI-
Meaning of TRI- in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012