1) Measuring instrument
Found on
https://www.crosswordclues.com/clue/macrometer
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 c...
Found on
http://en.wikipedia.org/wiki/Macrometer
• (n.) An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant.
Found on
http://thinkexist.com/dictionary/meaning/macrometer/
Ma·crom'e·ter noun [
Macro- +
-meter .] An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant.
Found on
http://www.encyclo.co.uk/webster/M/3
No exact match found.
