What does the prefix TRI mean?

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Master CPCT Medical Terminology Test. Prepare with flashcards and multiple-choice questions, each featuring hints and explanations. Ace your exam!

Multiple Choice

What does the prefix TRI mean?

Explanation:
Tri- is a prefix that signals the number three. When you see it at the start of a term, think of three parts or components. For example, triangle has three sides, triceps has three heads, and triglyceride refers to three fatty acid chains. That makes tri- the best match for three. Across would be hinted by trans- or dia-, one by uni-, and “killing” isn’t a numerical prefix at all. So tri means three.

Tri- is a prefix that signals the number three. When you see it at the start of a term, think of three parts or components. For example, triangle has three sides, triceps has three heads, and triglyceride refers to three fatty acid chains. That makes tri- the best match for three. Across would be hinted by trans- or dia-, one by uni-, and “killing” isn’t a numerical prefix at all. So tri means three.

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