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

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

• any of a variety of infectious intestinal diseases resembling typhoid fever

• abnormally rapid heartbeat (over 100 beats per minute)

• a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty

• having or characterized by or consisting of ten syllables

• the quality of being advisable

• abnormally slow heartbeat

• any one of four endocrine glands situated above or within the thyroid gland