Dictionary - Definition of DATUM LINE

Webster's Online Dictionary
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Definition: DATUM LINE


Part of Speech	Definition
Expression	1. (Surv.), the horizontal or base line, from which the heights of points are reckoned or measured, as in the plan of a railway, etc.[Websters].
Source: Webster's Revised Unabridged Dictionary (1913)		Top

Definition: DATUM LINE


Part of Speech	Definition
Expression	1. (Surv.), the horizontal or base line, from which the heights of points are reckoned or measured, as in the plan of a railway, etc.[Websters].
Source: Webster's Revised Unabridged Dictionary (1913)		Top

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Common Expressions: DATUM LINE

Expressions	Definition
Datum line	(Surv.), the horizontal or base line, from which the heights of points are reckoned or measured, as in the plan of a railway, etc. Source: Webster's Revised Unabridged Dictionary.
Source: compiled by the editor from various references; see credits.			Top

Specialty Expressions: DATUM LINE

Expressions	Domain	Definition
Datum line	Aerospace	Any line which can serve as a reference or base for the measurement of other quantities. (references)
Source: compiled by the editor from various references; see credits.			Top