acapnia
- n a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing
acapulco
- n a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving)
acapulco de juarez
- n a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving)
acardia
- n congenital absence of the heart (as in the development of some monsters)