| CyA | the monovalent group -CN in a chemical compound |
|---|---|
| CyA | poisoning due to ingesting or inhaling cyanide |
| CyA | a process for extracting gold and silver by treating ore with a sodium cyanide solution |
| CyA | the monovalent group -CN in a chemical compound |
| CyA | any of a class of dyes containing a -CH= group linking two nitrogen-containing heterocyclic rings |
| CyA | a gray or greenish-blue mineral consisting of aluminum silicate in crystalline form |
| CyA | the monovalent group -CN in a chemical compound |
| CyA | the monovalent group -CN in a chemical compound |
| CyA | predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll |
| CyA | relating to or caused by photosynthetic bacteria of the class Cyanobacteria |
| CyA | New World jays |
| CyA | common jay of eastern North America |