Dictionary

ephemeris

ephemeris

noun ephem·er·is \-mə-rəs\
plural eph·e·mer·i·des \ˌe-fə-ˈmer-ə-ˌdēz\

Definition of EPHEMERIS

:  a tabular statement of the assigned places of a celestial body for regular intervals

Origin of EPHEMERIS

Latin, diary, ephemeris, from Greek ephēmeris, from ephēmeros
First Known Use: 1508

Browse

Next Word in the Dictionary: ephemeris timePrevious Word in the Dictionary: EphemeridaeAll Words Near: ephemeris
March 04, 2015
sprightly Hear it
Full of life and energy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears