Definitions
1.nounA 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.
2.nounThe study and description of natural objects; natural science.
3.nounA therapist who treats physical injury or dysfunction, usually with exercise.
4.nounTherapy that uses physical techniques such as massage, ultrasound, heat, and exercise