WikiWord

English

ephemeris time

noun

Meaning

  1. A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.
  2. A modern relativistic-coordinate time scale.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

tdt(English)tt(English)terrestrial dynamical time(English)terrestrial time(English)ephemeris(English)sidereal time(English)civil time(English)nonagesimal(English)

Descendant words

No descendant words have been linked yet.

Sources

  1. DictionaryAPI.dev English dictionary data