12-Letter Words Containing: RO

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

• capable of undergoing hydrolysis

• a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive

• operating in unison

• To introduce a hydroxyl group into a compound

• That has been modified by hydroxylation

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological

• remove color from