| CYC | chemistry |
|---|---|
| CYC | botany |
| CYC | marked by repeated cycles |
| CYC | (thermodynamics) conforming to the Carnot cycle |
| CYC | a mild bipolar disorder that persists over a long time |
| CYC | neutropenia that occurs periodically |
| CYC | an error correction code that is recorded in each sector of a magnetic disk and used to catch errors in the data |
| CYC | recurring in cycles |
| CYC | the quality of recurring at intervals |
| CYC | the sport of traveling on a bicycle or motorcycle |
| CYC | tiny marine organisms each the size of a period found in great numbers on lobsters' lips |
| CYC | a person who rides a bicycle |