15-Letter Words Containing: T,R,O,P,H,Y

• The use of pharmaceuticals to treat disease

• an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones

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

• an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones

• 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)