different between declination vs ephemeris

English

Etymology

From Middle English declinacioun, borrowed from Middle French declination, from Latin declinatio. Doublet of declension

Pronunciation

• (UK) IPA^(key): /?d?kl??ne???n/
• Rhymes: -e???n

Noun

declination (countable and uncountable, plural declinations)

1. At a given point, the angle between magnetic north and true north.
2. At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane.
3. A refusal.
   • 1746, Arthur Collins, Letters And Memorials Of State In the Reigns of Queen Mary

     the queen's declination from marriage

4. (grammar, obsolete) Declension.
5. (archaic) The act or state of bending downward; inclination.

   declination of the head

6. (archaic) The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline.
   • 1625, Francis Bacon, Of Cunning

     the declination of monarchy

   • c. 1635, Edmund Waller, To My Young Lady Lucy Sidney

     Summer […] is not looked on as a time of declination or decay.

7. (archaic) Deviation.
   • April 4, 1692, Richard Bentley, A Confutation of Atheism

     this declination of atoms in their descent

   • November 2, 1690, Robert South, Sinners Inexcusable from Natural Religion Only

     every violation of and declination from the rules

Derived terms

• codeclination
• declinational
• magnetic declination

Related terms

• decline

Translations

Anagrams

• nonciliated

English

Etymology

From New Latin eph?meris, from Ancient Greek ???????? (eph?merís, “diary, calendar”), from ???????? (eph?meros, “daily”).

Pronunciation

• (UK) IPA^(key): /??f?m???s/

Noun

ephemeris (plural ephemerides or ephemerises)

1. (obsolete) A journal or diary.
2. (astronomy, nautical) A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination.

   Synonym: almanac
3. Software that calculates the apparent position of celestial bodies.

Related terms

• ephemerid
• ephemeride

Translations

Further reading

• ephemeris on Wikipedia.Wikipedia

Latin

Etymology

From the Ancient Greek ????????? (eph?merís, “diary”, “journal”, especially “a military record”; “day-book”, “account-book”), from ???????? (eph?meros, “living but a day”, hence “short-lived”; “for the day”, “daily”), from ??(?) (ep(í), “[motive] for”) +? ????? (h?méra, “day”).

Pronunciation

• (Classical) IPA^(key): /e?p?e?.me.ris/, [??p?e?m???s?]
• (Ecclesiastical) IPA^(key): /e?fe.me.ris/, [??f??m??is]

Noun

eph?meris f (genitive eph?meridis); third declension

1. a day-book, diary, ephemeris
2. a journal, periodical
   • 1866 February 12th, Pope Pius IX, “Papal Brief in favour of ‘La Civiltà Cattolica’” in The Dublin Review, New Series, volume VII (July–October, 1866), ? xiii, page 230:

     Qui Religiosi Viri, Nostris desideriis omni observantia et studio quam libentissime obsecudantes, iam inde ab anno 1850 Ephemeridem, cui titulus La Civiltà Cattolica, conscribendam, typisque vulgandam susceperunt.

     Which aforesaid religious, most willingly seconding our wishes with all observance and zeal, undertook from that very time (the year 1850) the writing and publishing a journal called “La Civiltà Cattolica.” ? translation from the same source

Declension

Third-declension noun.

Synonyms

• (journal): ?cta

Related terms

• eph?mericus
• eph?merida
• eph?meron

Descendants

• Catalan: efemèride
• English: ephemeris
• French: éphéméride
• Galician: efeméride
• Italian: effemeride
• Portuguese: efeméride
• Spanish: efeméride
• Romanian: efemeride

References

• ?ph?m?ris in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• ephemeris in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• ?ph?m?ris in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette, page 593/1
• ephemeris in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• ephemeris in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin