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单词 quadrantid
释义

Quadrantidn.adj.

Brit. /kwɒˈdrantɪd/, U.S. /kwɑˈdræn(t)əd/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin quadrant- , quadrans , -id suffix1.
Etymology: < post-classical Latin quadrant-, quadrans (in Quadrans Muralis Quadrans Muralis n.) + -id suffix1, after Perseid n.
Astronomy.
A. n.
Any of a shower of meteors which appear to radiate from the constellation Boötes (in a part formerly regarded as a distinct constellation, Quadrans Muralis) in early January.
ΘΚΠ
the world > the universe > constellation > comet or meteor > meteor > [noun] > shower > specific
Perseid1871
Andromed1877
Aquarid1877
Geminid1877
lacertid1877
Leonid1877
Orionid1877
Quadrantid1877
Lyraid1883
Bielid1885
Taurids1888
Andromedid1898
Draconids1926
1877 G. F. Chambers Handbk. Descr. Astron. (ed. 3) ix. iii. 799. The meteors of the shower [in August] were first named Perseïds by Schiaparelli in the year 1866. The example has been followed in designating other meteor showers..; so that we have the . . Quadrantids of January 2, Lyrids of April 20 [etc.].
1930 H. Shapley Flights from Chaos vii. 60 We shall eventually have the means of classifying meteor streams. Perhaps we shall divide them into: I. Annual showers, such as the Andromedes, Perseids, and Quadrantids. II. The sporadic meteoric processions (minor comets). III. Double and multiple meteors.
1972 Jrnl. Brit. Astron. Assoc. 82 406 A particularly fine series of observations of the Quadrantids was possible, despite generally unfavourable weather.
1997 D. Goldsmith Hunt for Life on Mars 37 Several times each year we have the chance to watch a few good nights of a particular meteor shower, such as the Quadrantids.
B. adj. (attributive).
Designating this shower of meteors; of or relating to the Quadrantids.
ΘΚΠ
the world > the universe > constellation > comet or meteor > meteor > [adjective] > specific shower
Perseid1880
Orionid1899
Quadrantid1900
Aquarid1901
Draconids1926
1900 Times 6 Jan. 4/6 Eighty meteor-paths were mapped and fifty were counted, making 130 quadrantid and other meteors seen in a five-and-a-half hours' watch.
1913 Jrnl. Brit. Astron. Assoc. 23 233 There is no comet whose elements correspond to those of the Quadrantid shower.
1948 Nature 17 Apr. 597/1 Visual estimates..gave Quadrantid velocities of 32–46 km./sec.
2006 Daily Tel. 2 Jan. 16/6 Of local events, the Quadrantid meteor shower can be one of the best of the year.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.adj.1877
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