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单词 ephemeris
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ephemerisn.

/ɪˈfɛmərɪs/
Forms: Plural ephemerides /ɛfɪˈmɛrɪdiːz/, formerly often used as a singular
Etymology: < modern Latin ephēmeris, < Greek ἐϕημερίς diary, calendar, < ἐϕήμερος daily: see ephemera n.2
1.
a. A record of daily occurrences; a diary, journal. Obsolete.
ΘΚΠ
society > communication > record > written record > daily record or journal > [noun]
memorial1553
journal1565
daybook1571
diary1581
diurnal1589
journal-book1603
diet-book1624
ephemerisa1631
a1631 J. Donne Serm. (1956) VIII. 369 God..sees their sins..and in his Ephemerides, his journals, he writes them downe.
1635 W. Lambarde & T. Lambarde Archeion (new ed.) 168 The Bookes of Entries kept there; which is a true Ephemeris or Iournall of the Acts of the Court.
a1682 Sir T. Browne Christian Morals (1716) i. 22 Register not only strange but merciful occurrences: Let Ephemerides not Olympiads, give thee account of his mercies.
b. plural for singular.
ΚΠ
1613 T. Jackson Eternall Truth Script. i. 93 His written Oracles..an absolute Ephemerides of all things that had bin since the first moment of Time.
1642 T. Fuller Holy State v. iv. 371 Having kept an exact Ephemerides of all actions for more then five thousand years together.
1650 R. Stapleton tr. F. Strada De Bello Belgico x. 16 Set downe in a Diary (or Ephemerides).
2.
a. A table showing the predicted (rarely the observed) positions of a heavenly body for every day during a given period. †Also, in plural the tabulated positions (of a heavenly body) for a series of successive days.
ΘΚΠ
the world > time > reckoning of time > calendar > [noun] > specific calendars > table-almanac
ephemeris1556
table-almanac1621
1556 R. Record Castle of Knowl. 283 Many eclipses of the sonne and moone also are not noted in the common Ephemerides and Almanachs.
1601 P. Holland tr. Pliny Hist. World I. 188 Among the Babylonians there were found Ephemerides containing the obseruation of the stars, for 720 yeares.
1665 Philos. Trans. (Royal Soc.) 1 3 The Ephemerides of the Comet.
1668 Philos. Trans. (Royal Soc.) 3 688 Tables of the Motion of the Satellits of Jupiter, with an Ephemeris of the same for this present Year.
1874 Moseley's Lect. Astron. (new ed.) lxxxviii. 232 The Nautical Almanac for 1835 contained ephemerides of two of them.
1880 Academy No. 440. 262 The following ephemeris..will be serviceable in searching for the comet.
b. plural. As the title of a collection of such tables. Often used as singular = 3a. Obsolete.
ΘΚΠ
the world > time > reckoning of time > calendar > [noun] > specific calendars
Gregorian Calendarc1275
Julian Calendarc1275
fastia1387
almanacc1392
prognostication1486
shepherd's calendar1506
ephemeris1559
perpetual almanac?1566
perpetual calendar1577
ephemeris1647
primstaff1662
rim-stock1662
parapegma1671
Poor Robin1708
menologium1709
menologion1727
rune-staff1753
Liberian Calendar1754
parapegm1755
timetable1758
prognosticator1779
Hindu calendar1795
Moore's Almanac1806
Moorea1821
numeral1853
Advent calendar1867
paddywhack almanac1875
paddy1876
Islamic calendar1912
1559 W. Cuningham Cosmogr. Glasse 95 I find in an Ephemerides the sonne to be in the firste Digree of Aries.
1594 T. Blundeville Exercises i. xxviii. f. 35 An example vsed by Stadius in the 115 page of his Ephemerides.
1618 G. Wither Wither's Motto in Juvenilia (1633) 543 Be slaves unto an Ephemerides.
1625 N. Carpenter Geogr. Delineated i. xi. 241 You may [know] by an Ephemerides, at what houre an Eclipse shall happen.
figurative.1680 W. de Britaine Humane Prudence xxix. 94 You must be careful to keep an Ephemerides to know how the great Orbes of the Court move.
3.
a. A book in which the places of the heavenly bodies and other astronomical matters are tabulated in advance for each day of a certain period; an astronomical almanac.
ΘΚΠ
the world > time > reckoning of time > calendar > [noun] > specific calendars
Gregorian Calendarc1275
Julian Calendarc1275
fastia1387
almanacc1392
prognostication1486
shepherd's calendar1506
ephemeris1559
perpetual almanac?1566
perpetual calendar1577
ephemeris1647
primstaff1662
rim-stock1662
parapegma1671
Poor Robin1708
menologium1709
menologion1727
rune-staff1753
Liberian Calendar1754
parapegm1755
timetable1758
prognosticator1779
Hindu calendar1795
Moore's Almanac1806
Moorea1821
numeral1853
Advent calendar1867
paddywhack almanac1875
paddy1876
Islamic calendar1912
1647 Almanak for 1386, Astron. App. (1812) 61 An ephemeris..is a book giving the true places of the planets.
1796 C. Hutton Math. & Philos. Dict. (at cited word) The Nautical Almanac, or Astronomical Ephemeris, published in England by the Board of Longitude..which commenced with the year 1767.
1833 J. F. W. Herschel Astronomy v. 204 The equation of time is calculated and inserted in ephemerides for every day of the year.
1874 Moseley's Lect. Astron. (new ed.) xlv. 147 These quantities..are stated..in the tables of the Nautical Almanac, and other ephemerides.
b. ephemeris time n. a uniform time scale used in astronomy, defined in terms of the orbital motions of the moon and planets and taking as the fundamental unit the ephemeris second n. equal to a certain fraction of the tropical year 1900 (see quot. 1966).
ΘΚΠ
the world > time > reckoning of time > [noun] > systems of reckoning time of day
time1646
apparent time1694
local timea1703
Greenwich Mean Time1782
sun time1837
GMT1840
railway time1847
railroad time1849
Greenwich time1861
Eastern time1878
Pacific time1880
Universal Time1882
Eastern Standard Time1883
Mountain time1883
British Standard Time1908
daylight saving1908
zone time1908
LMT1909
British Summer Time1916
summertime1916
U.T.1929
B.S.T.1930
EST1935
British Double Summer Time1941
war time1942
B.D.S.T.1943
ephemeris time1950
1950 Colloques Internat. du C.N.R.S. XXV. Constantes Fondamentales de l'Astronomie..129 The Conference recommends that, in all cases where the mean solar second is unsatisfactory as a unit of time by reason of its variability, the unit adopted should be the sidereal year at 1900.0; that the time reckoned in these unit [sic] be designated Ephemeris Time.
1964 R. H. Baker Astron. (ed. 8) iii. 78 The American Ephemeris and Nautical Almanac and the British Astronomical Ephemeris..tabulate the fundamental positions of the sun, moon, and planets at intervals of ephemeris time.
1964 R. H. Baker Astron. (ed. 8) iii. 78 In the present century, ephemeris time has been gaining on universal time and in 1960 was ahead by 35 seconds.
1966 G. W. C. Kaye & T. H. Laby Tables Physical & Chem. Constants (ed. 13) 8 Since 1956 the ephemeris second, defined as the fraction 1/31 556 925.974 7 of the tropical year for 1900 January 0 at 12h ET, has been adopted as the fundamental invariable unit of time by the International Committee of Weights and Measures.
4.
a. In wider sense: An almanac or calendar of any kind; in early use esp. one containing astrological or meteorological predictions for each day of the period embraced; also, a calendar of saints' days. Also plural in same sense, sometimes used as singular. Obsolete.In bibliographical works (e.g. in the Brit. Mus. Cat.), ‘Ephemerides’ is still used as a general heading for Almanacs, Calendars, etc.
ΘΚΠ
the world > time > reckoning of time > calendar > [noun]
calendarc1340
calends1470
reckoningc1480
compute1483
compost1535
ephemeris1597
computus1675
year count1894
1597 Bp. J. Hall Virgidemiarum: 1st 3 Bks. ii. vii. 43 Why can his tell-troth Ephemerides Teach him the weathers state so long beforne.
1605 F. Bacon Of Aduancem. Learning i. sig. A3 That Kalendar or Ephemerides, which he maketh of the diuersities of times and seasons for all actions and purposes. View more context for this quotation
1612 B. Jonson Alchemist iv. vi. sig. K3v Cures Plague, Piles, and Poxe, by the Ephemerides . View more context for this quotation
a1661 T. Fuller Worthies (1662) Wales 39 He..wrote an Ephemeris of the Irish Saints.
1796 J. Morse Amer. Universal Geogr. (new ed.) I. 45 Several Ephemerides or Almanacks are annually published.
figurative.a1657 G. Daniel Trinarchodia: Henry IV ccclii, in Poems (1878) IV. 89 Hee who had read the Ephemerides Of Fate; and could repeat his owne, by roat.a1797 E. Burke Fourth Let. Peace Regicide Directory France in Writings & Speeches (1991) IX. 107 I think this can hardly have escaped the writers of political ephemerides for any month or year.
b. plural. The appointed daily order of religious services. Obsolete.
ΘΚΠ
society > faith > worship > observance, ritual > [noun] > instance or form of > plural or collective
orgiac1487
common prayer1493
sacre1542
obsequy?1550
orgy1597
ritual1611
holies1613
Dagonals1614
sacred1624
agenda1637
ephemeris1650
officials1659
religion1667
1650 C. Elderfield Civil Right Tythes 117 How their ephemerides for divine services should be performed.
5. = ephemera n.2 1, 2.
ΚΠ
1820 P. B. Shelley Sensitive Plant in Prometheus Unbound 165 The beamlike ephemeris Whose path is the lightning's.
1841 R. W. Emerson Self-reliance in Ess. 1st Ser. (London ed.) 60 Honour is venerable to us, because it is no ephemeris.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2021).
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