APA Dictionary of Psychology

a group of therapies and health care systems that fall outside the realm of conventional Western medical practice. These include but are not limited to acupuncture, chiropractic, meditation, aromatherapy, homeopathy, naturopathy, osteopathy, touch therapy, reflexology, reiki, and the use of certain dietary supplements. Complementary medicine is used as an adjunct to conventional treatment; alternative medicine stands alone and replaces conventional treatment. See also integrative medicine.