15-Letter Words Containing: P,H,O,H

• To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis

• a psychologist trained in psychophysics

• antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste

• chronic abnormal enlargement of the lymph nodes (usually associated with disease)

• the branch of psychology concerned with abnormal behavior

• the branch of medicine dealing with the diagnosis and treatment of mental disorders