Definition Definition

tri- - Meaning and Examples

Meaning of 'tri-' (Webster Dictionary)

1 . Tri-
- A prefix meaning three, thrice, threefold; as in tricolored, tridentate.
- A prefix (also used adjectively) denoting three proportional or combining part, or the third degree of that to the name of which it is prefixed; as in trisulphide, trioxide, trichloride.