Word.ws English Dictionary

ephemerises

ephemerises is the plural of ephemeris.

Meaning of ephemeris

Noun

ephemeris (plural ephemerides or ephemerises)

  1. (obsolete) A journal or diary.
    • 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.1638, Thomas Herbert, Some Yeares Travels, section I
  2. A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination.
    • […]Mr. Samuel got 150 pounds of bread, with a small quantity of rum and wine, also a quadrant and compass; but he was forbidden on pain of death to touch either map, ephemeris, book of astronomical observations, sextant, timekeeper, or any of my surveys or drawings.1792, William Bligh, chapter 13, in A Voyage to the South Sea
    Synonyms:
    almanac
  3. Computer software that calculates the apparent position of celestial bodies.

Questions about ephemerises

What is ephemerises the plural of?
Ephemerises is the plural of ephemeris.

Words near ephemerises in the dictionary

  1. ephemeride
  2. ephemerides
  3. ephemerids
  4. ephemeris
  5. ephemeris time
  6. ephemerises
  7. ephemerist
  8. ephemerists
  9. ephemeroid
  10. ephemeroids
  11. ephemeron

Source and license

Adapted from Wiktionary: ephemerises (page history and authors); ephemeris (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ephemerises.” Word.ws, https://word.ws/ephemerises. Based on Wiktionary, CC BY-SA 4.0.