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单词 tropic of cancer
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tropic of Cancer
tropic of Cancer n. (a) Astronomy the circle of the celestial sphere at about 23° 26′ north of the equator, touching the ecliptic at the northern solstitial point (cf. senses A. 1b and A. 1c); (b) Geography the parallel of latitude corresponding to this (cf. sense A. 2a). [Compare post-classical Latin tropicus cancri (1490 or earlier), Middle French tropic du Cancre (1432; also tropicque de cancer (1532)), Middle French, French tropique du cancer (1550; rare before 1680).]
ΚΠ
1542 N. Udall in tr. Erasmus Apophthegmes i. f. 141v Syene (as Plinius in the secounde booke testifieth) is situate in zona torrida, so directely vnder the tropike of Cancer.
1623 G. de Malynes Center of Circle of Commerce 4 The fiue Zones or Girdles of this Terrestiall Globe, beginning from the Artike circle vnto the Tropicke of Cancer.
1698 tr. F. Froger Relation Voy. Coasts Afr. 3 At three o'clock in the morning we passed the tropick of Cancer..and in the afternoon performed the ceremonies of Tropical baptism or duckings.
1789 G. Adams Astron. & Geogr. Ess. 496 The tropic of Cancer, from the western edge of the horizon, passes under the arm of Hercules.
1853 J. Tabor Epitome Astron. i. 14 At the pole, the equinoctial will coincide with the horizon, and the tropic of Cancer will be parallel to it.
1925 Science 5 June (Suppl.) p. x/2 The nova is in the constellation of Pictor..which can never be seen from points north of the Tropic of Cancer.
2001 M. Isler Sticks, Stones, & Shadows v. 132 Nabta Playa being located on the Tropic of Cancer, the behavior of the sun becomes doubly interesting.
extracted from tropicn.adj.1
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