# error of closure

- the amount by which a closed traverse fails to satisfy the requirements of a true mathematical figure, as the length of line joining the true and computed position of the same point.
- the ratio of this linear error to the perimeter of the traverse.
- (for angles) the amount by which the sum of the observed angles fails to equal the true sum.
- (in leveling) the amount by which an elevation determined by a series of levels fails to agree with an established elevation.

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Also called closing error.

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## error of closure

- surveying the amount by which a computed, plotted, or observed quantity or position differs from the true or established one, esp when plotting a closed traverseAlso called: closing error

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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