| ACA | type genus of the Acanthuridae: doctorfishes |
|---|---|
| ACA | surgeon fish of the West Indies |
| ACA | any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers |
| ACA | widely distributed herbs and shrubs and trees |
| ACA | widely cultivated southern European acanthus with whitish purple-veined flowers |
| ACA | a state in which the level of carbon dioxide in the blood is lower than normal |
| ACA | relating to or demonstrating acapnia |
| ACA | relating to or demonstrating acapnia |
| ACA | relating to or demonstrating acapnia |
| ACA | a port and fashionable resort city on southern Mexico's Pacific coast |
| ACA | a port and fashionable resort city on southern Mexico's Pacific coast |
| ACA | a particularly potent variety of marijuana |