Definition, Meaning & Synonyms

tri

Prefix

/traɪ/

Definition

A prefix meaning three.

Examples

Triangle – a three-sided polygon.
Tricycle – a vehicle with three wheels.
Triathlon – a race with three different events, typically swimming, cycling, and running.

Meaning

The prefix ‘tri’ is used to refer to three of something or a grouping of three. It is often used in various fields such as mathematics, science, and everyday language.