Also found in: Encyclopedia, Wikipedia.


n.1.An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In fact, a large number of core electron macroscope scanning images show that there are many organic pores existing in the shale matrix, the scale of which ranges from nanometer to macrometer. Previous studies considered the matrix pores as a whole without separating nanometer pores and macropores.
Bonfante, "Osseointegration: hierarchical designing encompassing the macrometer, micrometer, and nanometer length scales," Dental Materials, vol.
This behavior states that a continuous decrease of the particle size coming from a macrometer size down to nanometer demands the turbidity to increase, passes a maximum and reduce again.