tri-

[/traɪ/]

prefix

tri-

1. a prefix meaning three or occurring three times

triangle - a shape with three angles

triângulo - uma forma com três ângulos

2. a prefix indicating three parts or divisions

tricycle - a vehicle with three wheels

triciclo - um veículo com três rodas

3. a prefix used in chemistry to indicate three atoms or groups

trioxide - a compound with three oxygen atoms

trióxido - um composto com três átomos de oxigênio

Regional Variations

General Brazilian

tri-

Standard usage in Brazilian Portuguese

Portugal

tri-

Standard usage in European Portuguese

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