| Word | Definitions | Synonyms |
|---|---|---|
| cyan | (adjective) of the blue-green color that is a primary subtractive color of light | - |
| cyanobacterial | (adjective) relating to or caused by photosynthetic bacteria of the class Cyanobacteria | Synonyms: cyanophyte |
| cyanogenetic | (adjective) capable of producing cyanide | Synonyms: cyanogenic |
| cyanogenic | (adjective) capable of producing cyanide | Synonyms: cyanogenetic |
| cyanophyte | (adjective) relating to or caused by photosynthetic bacteria of the class Cyanobacteria | Synonyms: cyanobacterial |