单词 | sextant |
释义 | sextant /sek"steuhnt/, n. 1. an astronomical instrument used to determine latitude and longitude at sea by measuring angular distances, esp. the altitudes of sun, moon, and stars. 2. (cap.) Astron. the constellation Sextans. [1590-1600; < L sextant- (s. of sextans) sixth part of a unit. See SEXT, -ANT] |
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