trilateration

noun tri·lat·er·a·tion

Definition of trilateration

plural

-s

  1. :  the measurement of the lengths of the three sides of a series of touching or overlapping triangles on the earth's surface for the determination of the relative position of points by geometrical means (as in geodesy, map making, and surveying) — compare triangulation

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Origin and Etymology of trilateration

trilateral + -ation


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