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1. (n.) ephemeris
a table showing the positions of a heavenly body on a number of dates in a regular sequence.
2. ephemeris
an astronomical almanac containing such tables.
3. ephemeris
Archaic. an almanac or calendar.
Etymology: (1545–55; < L ephēmeris day book, diary < Gk ephēmerís diary, account book)
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| Definition of 'ephemeris' |
Princeton's WordNet |
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1. (noun) ephemeris
an annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year
"today computers calculate the ephemerides"
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| Definition of 'ephemeris' |
Webster Dictionary |
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1. (noun) ephemeris
a diary; a journal
2. (noun) ephemeris
a publication giving the computed places of the heavenly bodies for each day of the year, with other numerical data, for the use of the astronomer and navigator; an astronomical almanac; as, the "American Ephemeris and Nautical Almanac."
3. (noun) ephemeris
any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days
4. (noun) ephemeris
a collective name for reviews, magazines, and all kinds of periodical literature
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Definitions of ephemeris 
