Definitions for macrometer
This page provides all possible meanings and translations of the word macrometer
An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant.
an instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant
Origin: [Macro- + -meter.]
A macrometer is an instrument for measuring the size and distance of distant objects. Distant in this sense means a length that can not be readily measured by a calibrated length. The optical version of this instrument used two mirrors on a common sextant. By aligning the object on the mirrors using a precise vernier, the position of the mirrors could be used to compute the range to the object. The distance and the angular size of the object would then yield the actual size. The Macrometer Interferometric Surveyor is a commercial GPS-based system for performing geodetic measurements.
The Nuttall Encyclopedia
an optical instrument to determine the size or distance of inaccessible objects.
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