| Noun | 1. | Dec - the last (12th) month of the year Synonyms: December |
| 2. | DEC - (astronomy) the angular distance to a point on a celestial object measured north or south from the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere Synonyms: celestial latitude, declination |
| 1. | DEC - Digital Equipment Corporation | ||
| 2. | (programming) | dec - /dek/ decrement, decrease by one. Especially
used by assembly language programmers, as many assembly
languages have a "dec" mnemonic. Opposite: inc. |