| DEC | (astronomy) the angular distance to a point on a celestial object measured north or south from the celestial equator |
|---|---|
| DEC | the last (12th) month of the year |
| DEC | the day before Christmas |
| DEC | a Christian holiday celebrating the birth of Christ |
| DEC | the cardinal number that is the sum of nine and one |
| DEC | a period of 10 years |
| DEC | the state of being degenerate in mental or moral qualities |
| DEC | the state of being degenerate in mental or moral qualities |
| DEC | a person who has fallen into a decadent state (morally or artistically) |
| DEC | marked by excessive self-indulgence and moral decay |
| DEC | a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation |
| DEC | coffee with the caffeine removed |