| CYC | an antibiotic that is especially active against the tubercle bacillus |
|---|---|
| CYC | the circulation of cytoplasm within a cell |
| CYC | small genus of terrestrial ferns of tropical and subtropical southern hemisphere |
| CYC | in more recent classifications superseded by the order Fucales |
| CYC | primitive jawless aquatic vertebrate: lampreys |
| CYC | primitive aquatic vertebrate |
| CYC | a writing implement with a small toothed wheel that cuts small holes in a stencil |
| CYC | print with a cyclostyle |
| CYC | a mild bipolar disorder that persists over a long time |
| CYC | of or relating to or exhibiting cyclothymia |
| CYC | a mild bipolar disorder that persists over a long time |
| CYC | an accelerator that imparts energies of several million electron-volts to rapidly moving particles |