error of closure

error of closure

[′er·ər əv ′klō·zhər]

(engineering)

Also known as angular error of closure.

The amount by which the measurement of the azimuth of the first line of a traverse, made after completing the circuit, fails to equal the initial measurement.

The amount by which the sum of the angles measured around the horizon differs from 360°.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.