octant
音標['?kt?nt] 讀音漢語翻譯
n. 八分圓, 八分儀, (天體與另一天體)成45度的視角位置
【醫】 八分體
詞型變化：
形容詞:octantal英文解釋：
名詞 octant:
- a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration
詳細解釋：
oc.tant
n.（名詞）One eighth of a circle.八分圓：圓的八分之一
A 45= arc.45°弧The area enclosed by two radii at a 45= angle and the intersected arc.八分圓：一個被兩條成45°角的半徑及與之相交的弧所包圍的區域An instrument based on the principle of the sextant but employing only a 45= angle, used as an aid in navigation.八分儀：以六分儀的規則為基礎設計的一種儀器，但只採用45°角，用來幫助航海Astronomy The position of a celestial body when it is separated from another by a 45= angle.【天文學】 八分圓：一個天體當它成45°角與另一天體分離時所處的位置One of eight parts into which three-dimensional space is divided by three usually perpendicular coordinate planes.卦限：八個區之一，這八個區是由三個正交平分割三維空間而成
來源：Latin oct3ns octant- 拉丁語 oct3ns octant- from octô [eight] * see oktô(u) 源自 octô [八] *參見 oktô(u)
【引伸】
octan.tal
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