ephemeris time


ephemeris time

noun

Definition of EPHEMERIS TIME

:  a uniform measure of time defined by the orbital motions of the planets

First Known Use of EPHEMERIS TIME

1950

Browse

Next Word in the Dictionary: ephemeron
Previous Word in the Dictionary: ephemeris
All Words Near: ephemeris time

Seen & Heard

What made you want to look up ephemeris time? Please tell us where you read or heard it (including the quote, if possible).