13-Letter Words Containing: OPHY

• the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects

• remedy that prevents or slows the course of an illness or disease

• contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

• capable of preventing conception or impregnation

• warding off

• preventing or contributing to the prevention of disease

• a system of beliefs and practices based on the philosophy of Rudolf Steiner; it claims to integrate the practical and psychological in child-centered education

• Any plant, typically living in deserts, that obtains its water from long taproots that reach the water table

• a white or greenish aluminum silicate mineral (resembles talc)