15-Letter Words Containing: O,A,S,T,E,R

• a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension

• The fused head and thorax of spiders and crustaceans

• 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 chemical process that combines several monomers to form a polymer or polymeric compound

• a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains)