Medical Prefix
tri-
three
From Latin and Greek tri-, three
Meaning
What does tri- mean?
tri- is a prefix meaning three. It comes from Latin and Greek tri-, three.
Latin and Greek share this spelling, so it joins roots from both, as in triplegia, triceps and tricuspid.
In real words
Medical words with tri-
paralysis of three limbs, such as both legs and one arm
having three copies of a particular chromosome instead of the usual two, as in trisomy 21 (Down syndrome)
In the dictionary
More terms built with it
Terms in our life science dictionary that list tri- among their word parts.
Sources
Checked against
Written for biofideX in plain words, after checking these references:
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Practice it
Numbers and amounts
tri- is one of 14 parts in this lesson. Learn them together, then take real words apart.
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