| CyA | a B vitamin that is used to treat pernicious anemia |
|---|---|
| CyA | a colorless toxic gas with a pungent almond odor |
| CyA | capable of producing cyanide |
| CyA | capable of producing cyanide |
| CyA | any organic compound in which the cyano radical -CN and the hydroxyl radical -OH are attached to the same carbon atom |
| CyA | photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins |
| CyA | prokaryotic organisms sometimes considered a class or phylum or subkingdom |
| CyA | relating to or caused by photosynthetic bacteria of the class Cyanobacteria |
| CyA | a bluish discoloration of the skin and mucous membranes |
| CyA | a white crystalline organic base |
| CyA | a trimer of cyanic acid |
| CyA | type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands |