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单词 quadrans muralis
释义

Quadrans Muralisn.

Brit. /ˌkwɒdranz ˌmjʊəˈreɪlɪs/, /ˌkwɒdranz ˌmjʊəˈrɑːlɪs/, U.S. /ˈkwɑdˌrɑnz ˌmjʊˈreɪlᵻs/, /ˈkwɑdˌrɑnz ˌmjʊˈræləs/
Origin: A borrowing from Latin. Etymon: Latin Quadrans Muralis.
Etymology: < post-classical Latin Quadrans Muralis Mural Quadrant ( J. Bode Uranographia (1801) (figure) ; 1602 or earlier as the name of the instrument) < classical Latin quadrans quadrant n.1 + muralis mural adj.1
Astronomy. Now historical.
(The name of) a former constellation, the Mural Quadrant, in what is now the northern part of the constellation of Bοötes. Also Quadrans. Cf. Quadrantid n.
ΚΠ
1811 W. Herschel in Philos. Trans. (Royal Soc.) 101 292 A very different aspect of the heavens will be perceived when we examine the following constellations. Beginning from the head of Capricorn.., thence proceeding to Antinous.., to Quadrans Muralis.., and to the head of Draco.
1878 Monthly Notices Royal Astron. Soc. 38 396 Several additional ones [sc. meteor showers] in Quadrans, Cygnus, and Corona were very slightly seen.
1899 R. H. Allen Star-names 348 Quadrans Muralis, the Mural Quadrant.., was formed by La Lande in 1795, as a souvenir of the instrument with which he and his nephew..observed the stars.
1958 P. Moore Amateur Astronomer (ed. 2) xii. 146 One of the rejected groups, Quadrans Muralis (the Mural Quadrant) has left a legacy in the form of the name of the annual Quadrantid meteor shower.
1992 S. P. Maran Astron. & Astrophysics Encycl. 444/2 The Quadrantid shower is named after the obsolete constellation Quadrans Muralis.
This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1811
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