declination

• اسم يدل على الرفض المهذب للدعوة، أو الميل أو الانحناء النازل، أو التدهور التدريجي في الحالة، وفي علم الفلك: المسافة الزاوية لجسم سماوي شمال أو جنوب خط الاستواء السماوي.

A noun referring to a polite refusal of an invitation, or a downward slope or bend, or a gradual falling off from a better state, or in astronomy, the angular distance of a celestial body north or south of the celestial equator.

1. Deterioration or declineC1formal

   A condition inferior to an earlier condition; a gradual falling off from a better state.

   انحدار

   • The declination of the Roman Empire took centuries.
   • There has been a noticeable declination in the quality of the product.
   • The declination of his health worried his family.

   المرادفاتdecaydeclinedegenerationdegradationdeteriorationworsening

   الأضدادadvancementameliorationascentbettermentdevelopmentgrowthimprovementprogressrecoveryrise

2. C1formal

   A downward slope or bend.

   منحدر

   • The path followed a gentle declination towards the river.
   • The declination of the roof directs rainwater into the gutter.
   • They hiked down the steep declination of the hill.

   المرادفاتdeclinedeclivitydescentdipdowngradeslope

   الأضدادascentelevationrise

3. Astronomical coordinateC2formal

   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.

   ميل

   • The star's declination is measured in degrees from the celestial equator.
   • Astronomers recorded the declination of the comet precisely.
   • The telescope was adjusted to match the declination of the target galaxy.

4. C1formal

   A polite refusal of an invitation.

   رفض مهذب

   • She sent a formal declination to the wedding invitation.
   • His declination of the offer was gracefully worded.
   • The committee received several declinations from potential speakers.

   المرادفاتdemurralnonacceptancerefusalrejection

   الأضدادacceptanceaccordagreementassentconsent