What does the prefix tri- mean?

Master the Dean Vaughn Medical Terminology Test. Engage with flashcards and quizzes, detailed explanations provided. Enhance your medical vocabulary for exam success.

Multiple Choice

What does the prefix tri- mean?

Explanation:
Tri- signals the number three. This Greek prefix attaches to a word root to show there are three of something, as in triangle (three angles), tricycle (three wheels), or tripod (three supports). Other numbers use different prefixes: five is quint- or pent-, four is quadri- or tetra-, and one is uni-. So tri- specifically means three.

Tri- signals the number three. This Greek prefix attaches to a word root to show there are three of something, as in triangle (three angles), tricycle (three wheels), or tripod (three supports). Other numbers use different prefixes: five is quint- or pent-, four is quadri- or tetra-, and one is uni-. So tri- specifically means three.

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