acrocyanosis
- n cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion
acrodont
- n an animal having teeth consolidated with the summit of the alveolar ridge without sockets
acrogen
- n any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem
acrolein
- n a pungent colorless unsaturated liquid aldehyde made from propene