Ephemeris Time Definition

noun

(astronomy) A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.

Wiktionary

(astronomy) A modern relativistic-coordinate time scale.

Wiktionary

Synonyms:

Synonyms:
terrestrial dynamical time
tt
TDT
terrestrial time

abbreviations Common World Time Zone Abbreviations
grammar Anytime vs. Any Time: Essential Differences and Usage Tips
examples Examples of Idioms About Time: Common Phrases Explained
grammar Sometime vs. Some Time: Use the Right Word All the Time
grammar Every Time vs. Everytime: Tips to Always Get It Right
grammar Synchronous vs. Asynchronous: Different Times, Different Meanings

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Words Near Ephemeris Time in the Dictionary

ephemeran
ephemeric
ephemerid
ephemerides
ephemeris
ephemeris-time
ephemerist
ephemeron
ephemeroptera
ephemerous
ephes
ephesian

Ephemeris Time Definition

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