Meaning of TRIANGULATION in English

TRIANGULATION

[tri.an.gu.la.tion] n (1818): the measurement of the elements necessary to determine the network of triangles into which any part of the earth's surface is divided in surveying; broadly: any similar trigonometric operation for finding a position or location by means of bearings from two fixed points a known distance apart

Merriam-Webster English vocab.      Английский словарь Merriam Webster.