DICT.TW Dictionary Taiwan
E·phem·e·ris n.; pl. Ephemerides
1. A diary; a journal.
2. Anat. (a) 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.” (b) Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days.
3. Literature A collective name for reviews, magazines, and all kinds of periodical literature.
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ephemeris
n : an annual publication containing astronomical tables that
give the positions of the celestial bodies throughout the
year; "today computers calculate the ephemerides"
[also: ephemerides (pl)]