Noun | 1. | declination - a condition inferior to an earlier condition; a gradual falling off from a better state Synonyms: decline |
2. | declination - (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, DEC | |
3. | declination - a downward slope or bend | |
4. | declination - a polite refusal of an invitation Synonyms: regrets |