13-Letter Words Containing: R,O,Y,S,T

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys

• therapy that uses physical agents: exercise and massage and other modalities

• The scientific study of psychology and motivation in history.

• (genetics) an organism having two different alleles of a particular gene and so giving rise to varying offspring

• a salt or ester of pyrophosphoric acid