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单词 ascensional difference
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ascensional difference
1. Of or belonging to ascension. ascensional difference in Astronomy: the difference between the right and oblique ascension of the sun or a star.
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the world > the universe > heavenly body > movement of heavenly bodies > [adjective] > rising
rising1557
ascensional1594
ortive1635
1594 T. Blundeville Exercises iii. i. xxxiv. f. 165v The ascentionall difference being knowne, all the oblique ascentions and descentions of the starres are easily knowne by the Tables of directions.
1796 C. Hutton Math. & Philos. Dict. (new ed.) I. 148 The sun's Ascensional Difference, converted into time, shews how much he rises before or after 6 o'clock.
1834 Nat. Philos. (Libr. Useful Knowl.) III. Hist. Astron. 12/1 The ascensional difference (that is, the arc measuring the increase of the day at any place).
extracted from ascensionaladj.
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