12-Letter Words Containing: I,N,D,R,Y

• a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness

• operating in unison

• The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol.

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

• of or relating to hydrodynamics

• a B vitamin that is essential for metabolism of amino acids and starch

• chronic and abnormal anxiety about imaginary symptoms and ailments