declination
/,dekli'neiʃən/
Definition
- Noun:
- A polite refusal of an invitation: A formal and courteous act of declining or saying no to an offer or request.
- (Astronomy) The angular distance of a celestial body north or south of the celestial equator: A coordinate used in the celestial sphere, measured in degrees, analogous to latitude on Earth, and used with right ascension to specify positions.
- A downward slope or bend: A downward inclination or deviation from a horizontal or vertical line; a declivity.
- A condition inferior to an earlier condition; a gradual falling off from a better state: A decline or deterioration in quality, strength, or value.
Usage Examples
- Noun (Polite Refusal):
- She sent a letter of declination to the job offer.
- His declination of the dinner invitation was very gracious.
- Noun (Astronomy):
- The star's declination is +45 degrees.
- To locate the object, you need both its right ascension and declination.
- Noun (Downward Slope):
- The trail follows a gentle declination toward the valley.
- The declination of the roof allows for proper drainage.
- Noun (Gradual Deterioration):
- The declination of the empire was slow but inevitable.
- We observed a declination in the quality of the materials over time.
Advanced Usage
- In formal contexts: "Declination" is often used in formal writing, such as in legal, academic, or official correspondence, to denote a refusal.
- The board recorded the declination of the proposed merger.
- In technical/scientific writing: In astronomy and geodesy, "declination" is a precise technical term.
- The magnetic declination at this location is 12 degrees west.
Variants and Related Words
- Decline (verb/noun): The more common verb form meaning to refuse or become smaller/weaker. Also a noun for a gradual loss.
- Declinable (adj): (Grammar) Capable of being declined (e.g., a declinable adjective).
- Declinational (adj): Pertaining to declination, especially in astronomy.
Synonyms
- Refusal: The act of refusing. (Closest synonym for the first meaning).
- Rejection: The dismissing or refusing of a proposal or idea.
- Slope: A surface of which one end or side is at a higher level than another.
- Decline: A gradual and continuous loss of strength, numbers, quality, or value.
- Deterioration: The process of becoming progressively worse.
Phrasal Verbs
(Note: "Declination" is a noun and does not form phrasal verbs. The related verb "decline" does.) - Decline to comment: To formally refuse to give an opinion or answer. - The spokesperson declined to comment on the ongoing investigation.
Related Idioms
- On the decline: In a state of decreasing quality or popularity.
- The neighborhood has been on the decline for years.
- Politely decline: To refuse in a courteous manner.
- I had to politely decline their generous but excessive gift.
Noun
-
a polite refusal of an invitation
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(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
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a downward slope or bend
-
a condition inferior to an earlier condition; a gradual falling off from a better state
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