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Webster 1913 Edition


Ephemeris

E-phem′e-ris

,
Noun.
;
pl.
Ephemerides
(#)
.
[L., a diary, Gr. [GREEK], also, a calendar, fr. [GREEK]. See
Ephemera
.]
1.
A diary; a journal.
Johnson.
2.
(Anat.)
(a)
A publication giving the computed places of the heavenly bodies for each day of the year, with other numerical data, for the use of the astronomer and navigator; an astronomical almanac;
as, the “American
Ephemeris
and Nautical Almanac
.”
(b)
Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days.
3.
(Literature)
A collective name for reviews, magazines, and all kinds of periodical literature.
Brande & C.

Webster 1828 Edition


Ephemeris

EPHEM'ERIS

,
Noun.
plu.
ephemer'ides. [Gr.]
1.
A journal or account of daily transactions; a diary.
2.
In astronomy, an account of the daily state or positions of the planets or heavenly orbs; a table, or collection of tables, exhibiting the places of all the planets every day at noon. From these tables are calculated eclipses, conjunctions and other aspects of the planets.

Definition 2024


ephemeris

ephemeris

English

Noun

ephemeris (plural ephemerides or ephemerises)

  1. (obsolete, singular or plural) A journal or diary.
    • 1638, Thomas Herbert, Some Yeares Travels, I:
      Wee heard the King was solacing at the Caspian Sea, whither now wee are travelling. Till then let us keepe an Ephemerides or day-journey.
  2. (astronomy) A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination
  3. Software that calculates the apparent position of celestial bodies.

Related terms

Translations


Latin

Etymology

From the Ancient Greek ἐφημερῐ́ς (ephēmerís, diary”, “journal”, especially “a military record”; “day-book”, “account-book), from ἐφήμερος (ephḗmeros, living but a day”, hence “short-lived”; “for the day”, “daily), from ἐπ(ί) (ep(í), [motive] for) + ἡμέρα (hēméra, day).

Pronunciation

Noun

ephēmeris f (genitive ephēmeridis); 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.

Case Singular Plural
nominative ephēmeris ephēmeridēs
genitive ephēmeridis ephēmeridum
dative ephēmeridī ephēmeridibus
accusative ephēmeridem ephēmeridēs
ablative ephēmeride ephēmeridibus
vocative ephēmeris ephēmeridēs

Synonyms

Related terms

References