12-Letter Words Containing: I,D,Y,E,A,R,S,_

• an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure

• having become fixed and definite in form

• having both internal structure and external form of a crystal

• A hydrate whose solid contains one molecule of water of crystallization per two molecules, or per two unit cells

• the internal and external use of water in the treatment of disease

• divination by water (as by patterns seen in the ebb and flow of the tides)

• a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

• a musician who plays a keyboard instrument

• to a great extent or degree