| sextan | Denoting a malarial fever the paroxysms of which recur every sixth day, counting the day of the episode as the first; i.e., with a four-day asymptomatic interval. Origin: L. Sextus, sixth (05 Mar 2000) |
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| sextans | 1. A Roman coin, the sixth part of an as. 2. <astronomy> A constellation on the equator south of Leo; the Sextant. Origin: L. See Sextant. Source: Websters Dictionary (01 Mar 1998) |
| sextant | 1. <mathematics> The sixth part of a circle. 2. An instrument for measuring angular distances between objects, used especially. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant. 3. <astronomy> The constellation Sextans. Box sextant, a small sextant inclosed in a cylindrical case to make it more portable. Origin: L. Sextans, -antis, the sixth part of an as, fr. Sextus sixth, sex six. See Six. Source: Websters Dictionary (01 Mar 1998) |
| sextan |
recurring every sixth day; said of fevers.
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| sextan | a measuring instrument for measuring the angular distance between celestial objects |
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| sextan | a unit of angular distance equal to 60 degrees |
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