error of closure

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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.
References in periodicals archive ?
Those two closing errors meant that the world number one, bidding for a 13th major and third in a row, was facing the prospect of having to do something he has not to do for his previous 12 victories...come from behind on the final day.