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

单词	octant
释义	octant n. 1. an arc of a circle equal to one eighth of the circumference. 2. such an arc with two radii, forming an area equal to one eighth of the circle. 3. each of eight parts into which three planes intersecting (esp. at right angles) at a point divide the space or the solid body round it. 4. Astron. a point in a body's apparent course 45��distant from a given point, esp. a point at which the moon is 45��from conjunction or opposition with the sun. 5. an instrument in the form of a graduated eighth of a circle, used in astronomy and navigation. Etymology: L octans octant- half-quadrant f. octo eight
随便看	self-deprecation self-despair self-destroying self-destruct self-destruction self-determination self-development self-devotion self-discipline self-discovery self-disgust self-doubt self-drive self-educated self-effacing self-elective self-employed self-esteem self-evident self-examination self-executing self-existent self-explanatory self-expression self-faced

英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。