名詞 dec.:

1. the last (12th) month of the year
   同義詞：December, Dec
2. (astronomy) the angular distance of a celestial body north or south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
   同義詞：declination, celestial latitude, dec

dec.
abbr.（略語）
Deceased.
Deceased.
Declaration.
Declaration.
Declension.
Declension.
Declination.
Declination.
Decorated.
經裝飾的，盛裝的
Decorative.
Decorative.
Decrease.
Decrease.
Music Decrescendo.
【音樂】 Decrescendo.