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单词 saros
释义

sarosn.

Brit. /ˈsɛːrɒs/, U.S. /ˈsɛrɔs/, /ˈsɛrɑs/
Etymology: Greek σάρος or σαρός (Berossos), < Assyro-Babylonian šār(u.
1. Ancient History. The Babylonian name for the number 3600, and hence for a period of 3600 years.The notion expressed in quot. 1662, that the saros consisted of 3600 days, is due to the desire to rationalize the incredible statements of Berossos with regard to the lengths of the reigns of the antediluvian kings of Babylon. Other expedients for the same purpose were adopted by early writers on chronology.
ΘΚΠ
the world > time > period > year > [noun] > period of specific number of years > in different cultures or calendars
Julian period1592
saros1613
octaeteris1645
lustrala1656
biennium1699
Dionysian period1728
Victorian cycle1728
Sothic cycle or period1828
katun1902
1613 S. Purchas Pilgrimage 54 Sarus with them is three thousand sixe hundred yeares.
1662 E. Stillingfleet Origines Sacræ i. v. §4. 80 The learned Monks, Panodorus and Anianus,..make a Saros to contain 120. months of 30. dayes a piece.
2. Astronomy. Adopted by modern astronomers as the name of the cycle of 18 years and 102/ 3 days, in which solar and lunar eclipses repeat themselves.This use is founded on the statement of Suidas (apparently due to some mistake) that the length of the saros was 18½ years.
ΘΚΠ
the world > time > period > cycle of time > [noun] > astronomical cycle > cycles of celestial bodies
great yeara1387
vertent year1635
Platonic year1639
saros1812
world year1845
1812 R. Woodhouse Elem. Treat. Astron. xxxv. 353 The period of 223 lunations, called by the Chaldean Astronomers, the Saros.
1868 J. N. Lockyer Elem. Lessons Astron. (1879) 102 This period of 18 years 10 days is a cycle of the Moon, known to the ancient Chaldeans and Greeks under the name of Saros.
This entry has not yet been fully updated (first published 1909; most recently modified version published online March 2022).
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n.1613
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