Speakur

Word Pronunciation & Dictionary

ephemeris time

Word Rarity Very rare

Frequency: Zipf frequency 2.08 in modern English

Syllables
ephemeris -time
IPA
22
Scrabble Score
13
Letters
2
Syllables
8
Unique Chars

Meaning

noun

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former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.

Uncountable

noun

A modern relativistic-coordinate time scale.

Uncountable

Usage

Synonyms

terrestrial time tt terrestrial dynamical time tdt

Questions

What does ephemeris time mean?
A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.

How to pronounce ephemeris time

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