13-Letter Words Containing: Y,A,R,C,O

• 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

• a patient with imaginary symptoms and ailments

• suffering from hypochondria

• relating to or characterized by or evidencing hydrocephalus

• the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst