What is the meaning of SEXTANT. Phrases containing SEXTANT
See meanings and uses of SEXTANT!Slangs & AI meanings
Thumbing your nose at a senior shipmate behind their back. It is reminiscent of a person taking a sight with a sextant, but it is not meant for navigation.
An olde British Navy slang for a sextant.
Navigational instrument used to estimate a ship's position by measuring the angle to celestial objects.
Means to be confused, or to lose track of what is occurring. Nautical sextants have a bubble that must be kept level in order to make a proper sighting. Losing the bubble means that you had no reference to level, and have lost the fix.
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n.
The sixth part of a circle.
n.
Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.
n.
The constellation Sextans.
n.
A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated that a certain convenient number of its divisions are just equal to a certain number, either one less or one more, of the divisions of the instrument, so that parts of a division are determined by observing what line on the vernier coincides with a line on the instrument.
n.
An instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9O¡, but being itself the eighth part of a circle. Cf. Sextant.
n.
A constellation on the equator south of Leo; the Sextant.
n.
An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant.
n.
An instrument formerly used at sea for taking the altitudes of heavenly bodies, now superseded by the sextant; -- called also cross-staff.
v. t.
To mark divisions on; to graduate; as, to divide a sextant.
n.
An instrument formerly used for taking the altitude of the heavenly bodies, but now superseded by the quadrant and sextant; -- so called because the observer turned his back to the body observed.
n.
An instrument for taking altitudes, as a quadrant, sextant, etc.
n.
The movable limb of a sextant or other angular instrument.
n.
An instrument for measuring angular distances between objects, -- used esp. 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.
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