| slovo | definícia |
ephemeris
(encz) | ephemeris,efemerida n: Zdeněk Brož |
Ephemeris
(gcide) | Ephemeris \E*phem"e*ris\, n.; pl. Ephemerides. [L., a diary,
Gr. ?, also, a calendar, fr. ?. See Ephemera.]
1. A diary; a journal. --Johnson.
[1913 Webster]
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.
[1913 Webster]
3. (Literature) A collective name for reviews, magazines, and
all kinds of periodical literature. --Brande & C.
[1913 Webster] |
ephemeris
(wn) | ephemeris
n 1: an annual publication containing astronomical tables that
give the positions of the celestial bodies throughout the
year; "today computers calculate the ephemerides" |
| | podobné slovo | definícia |
ephemeris time
(encz) | ephemeris time, n: |
Ephemeris
(gcide) | Ephemeris \E*phem"e*ris\, n.; pl. Ephemerides. [L., a diary,
Gr. ?, also, a calendar, fr. ?. See Ephemera.]
1. A diary; a journal. --Johnson.
[1913 Webster]
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.
[1913 Webster]
3. (Literature) A collective name for reviews, magazines, and
all kinds of periodical literature. --Brande & C.
[1913 Webster] |
Ephemerist
(gcide) | Ephemerist \E*phem"er*ist\, n.
1. One who studies the daily motions and positions of the
planets. --Howell.
[1913 Webster]
2. One who keeps an ephemeris; a journalist.
[1913 Webster] |
ephemeris time
(wn) | ephemeris time
n 1: (astronomy) a measure of time defined by Earth's orbital
motion; terrestrial time is mean solar time corrected for
the irregularities of the Earth's motions [syn:
terrestrial time, TT, terrestrial dynamical time,
TDT, ephemeris time] |
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