macrometer

English

Etymology

macro- +‎ -meter

Noun

macrometer (plural macrometers)

1. An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant

Related terms

• macrometric

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “macrometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)