英语词汇“octant”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	octant
释义	Word Frequency octant (ˈɒktənt) noun 1. mathematics a. any of the eight parts into which the three planes containing the Cartesian coordinate axes divide space b. an eighth part of a circle 2. astronomy the position of a celestial body when it is at an angular distance of 45° from another body 3. an instrument used for measuring angles, similar to a sextant but having a graduated arc of 45° Word origin C17: from Latin octans half quadrant, from octo eight
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