Dictionary

ephemeris en · NOUN

Pronunciation

• /ɪˈfɛməɹɪs/ (UK)
• (US) audio
• /ɪˈfɛməɹəs/ (US)

Etymology

From New Latin ephēmeris, from Ancient Greek ἐφημερίς (ephēmerís, “diary, calendar”), from ἐφήμερος (ephḗmeros, “daily”).

Meanings

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:
3. Computer software that calculates the apparent position of celestial bodies.

Forms

Deriveds

ephemeris time

Relateds

ephemerid · ephemeride

Synonyms

almanac

Translations (20)

sv efemerid (table giving the apparent position of celestial bodies throughout the year) · fa دفتر سال (table giving the apparent position of celestial bodies throughout the year) · ga eifimiris (table giving the apparent position of celestial bodies throughout the year) · ca efemèrides (table giving the apparent position of celestial bodies throughout the year) · tr gök günlüğü (table giving the apparent position of celestial bodies throughout the year) · fr éphéméride (table giving the apparent position of celestial bodies throughout the year) · fa زیگ (table giving the apparent position of celestial bodies throughout the year) · hi अब्दकोश (table giving the apparent position of celestial bodies throughout the year) · pl efemeryda (table giving the apparent position of celestial bodies throughout the year) · pt efeméride (table giving the apparent position of celestial bodies throughout the year) · de Ephemeride (table giving the apparent position of celestial bodies throughout the year) · es efemérides (table giving the apparent position of celestial bodies throughout the year) · ru эфемери́да (table giving the apparent position of celestial bodies throughout the year) · tr efemeris (table giving the apparent position of celestial bodies throughout the year) · el αστρονομική εφημερίδα (table giving the apparent position of celestial bodies throughout the year) · it effemeride (table giving the apparent position of celestial bodies throughout the year) · fi efemeridi (table giving the apparent position of celestial bodies throughout the year) · cmn 皇曆 /皇历 (table giving the apparent position of celestial bodies throughout the year) · fa زیج (table giving the apparent position of celestial bodies throughout the year) · fr éphémérides (table giving the apparent position of celestial bodies throughout the year)