英日字典: dec
The dec has 2 Senses.
- dec, december
- 十二月
- the last (12th) month of the year
- 1年の最後(12番目)の月
- dec, declination, celestial latitude
- 黄緯, 赤緯
- (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
- 天体の赤道の北か南方への角距離
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