13-Letter Words Containing: A,P,R,O,T,H

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• The fused head and thorax of spiders and crustaceans

• use an apostrophe

• abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A

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

• use an apostrophe

• a salt or ester of pyrophosphoric acid