Medical terminology · Numbers and Amounts

tri- — Three

tri- means three. Latin source words and medical terminology examples: tricuspid.

Meaning and source words

Meaning: Three

• Latin: tres

Examples and word parts

tricuspid

Having three cusps, as in a heart valve.

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Related numbers and amounts terms

• bi- — Two

  bilateral

• brady- — Slow

  bradycardia

• diplo- — Double

  diplopia

• hemi- — Half

  hemisphere

• homo- — Same

  homogeneous

• hyper- — Above, beyond, excessive

  hyperthermia

• hypo- — Under, deficient

  hypothermia

• iso- — Equal, like

  isometric

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