a mechanical device in a camera that controls size of aperture of the lens

(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix

electro-acoustic transducer that vibrates to receive or produce sound waves

hernia resulting from the protrusion of part of the stomach through the diaphragm

an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)