ephemeris
ep·he·me·ris
noun
1.
an annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year
- “today computers calculate the ephemerides”
Origin
From New Latin ephēmeris, from Ancient Greek ἐφημερίς (ephēmerís, “diary, calendar”), from ἐφήμερος (ephḗmeros, “daily”).
Phrases
- ephemeris time
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.