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Definition of Phlebo- (prefix)
Medically reviewed by Min Clinic Staff | Updated: January 2026
Phlebo- (prefix): Means vein. From the Greek "phleps", vein, which came from the root "phlein", to gush or overflow. Appears in phlebitis (inflammation of the veins), phlebotomist (a person who draws blood from veins), and phlebotomy (a venipuncture).