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

• a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression

• someone who considers situations from a philosophical point of view

• a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive

• polymerize together

• 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

• use an apostrophe

• The scientific study of psychology and motivation in history.