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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク apsis ： 英英辞書 Ap"sis (p"ss), n.; pl. Apsides (p"sdz). See Apse. [L. apsis, absis, Gr. "apsi°s, "apsi^dos, a tying, fastening, the hoop of a wheel, the wheel, a bow, arch, vault, fr. "a°ptein to fasten.] 1. (Astron.) One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides. 2. (Math.) In a curve referred to polar cordinates, any point for which the radius vector is a maximum or minimum. 3. (Arch.) Same as Apse. [Image] スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.