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physio

/ˈfɪzɪəʊ/ · phy·sio
noun
  1. A branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved. The physio of the human heart is a complex system of electrical signals.
  2. The study and description of natural objects; natural science. In physics, the physio of motion is governed by Newton's laws.
  3. A therapist who treats physical injury or dysfunction, usually with exercise. After his injury, he saw a physio to help him recover.
  4. Therapy that uses physical techniques such as massage, ultrasound, heat, and exercise. The physio uses massage and exercise to relieve pain.
Did you know? In British English, 'physio' is a common informal term for a physiotherapist, often used by athletes and in sports medicine.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 16, 2026