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

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of trilateration

trilateral + -ation


Seen and Heard

What made you want to look up trilateration? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

feeling or affected by lethargy

Get Word of the Day daily email!