ephemeris
English · Thesaurus
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
ephemeris
- /ɪˈfɛməɹɪs/ UK
- /ɪˈfɛməɹəs/ US
Where it comes from
From New Latin ephēmeris, from Ancient Greek ἐφημερίς (ephēmerís, “diary, calendar”), from ἐφήμερος (ephḗmeros, “daily”).
noun ephemerides · ephemerises
- 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.
-
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.
Similar: almanac
- Computer software that calculates the apparent position of celestial bodies.
Translations
Every language
noun table giving the apparent position of celestial bodies throughout the year
| Español | efemérides |
|---|---|
| 中文 | 皇曆 /皇历 huánglì |
| हिन्दी | अब्दकोश abdakoś |
| Português | efeméride |
| Français | éphéméride, éphémérides |
| Deutsch | Ephemeride |
| Italiano | effemeride |
| Ελληνικά | αστρονομική εφημερίδα astronomikí efimerída |
| Русский | эфемери́да efemerída |
Talk about this word "ephemeris." Wiktionary, via Micwyn, micwyn.com/word/ephemeris. Accessed 6 Nov. 2026. ephemeris. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ephemeris "ephemeris." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ephemeris.Cite this
@misc{ephemeris_2026,
title = {ephemeris},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ephemeris},
urldate = {2026-11-06}
}