13-Letter Words Containing: A,Y,T,H

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

• construe as a real existence, of a conceptual entity

• To introduce a hydroxyl group into a compound

• surgical interruption of a nerve pathway in the sympathetic nervous system

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