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8 definitions found
From The Collaborative International Dictionary of English v.0.44 : [ gcide ]
Datum \Da"tum\, n.; pl. Data. [L. See 2d Date.]
1. Something given or admitted; a fact or principle granted;
that upon which an inference or an argument is based; --
used chiefly in the plural.
[1913 Webster]
Any writer, therefore, who . . . furnishes us with
data sufficient to determine the time in which he
wrote. --Priestley.
[1913 Webster]
2. a single piece of information; a fact; especially a piece
of information obtained by observation or experiment; --
used mostly in the plural.
[PJC]
3. pl. (Math.) The quantities or relations which are assumed
to be given in any problem.
[1913 Webster]
4. (Surveying) a point, line, or level surface used as a
reference in measuring elevations. --RHUD
[PJC]
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.
[1913 Webster] ||
From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]
Datum \Da"tum\, n.; pl. Data. [L. See 2d Date.]
1. Something given or admitted; a fact or principle granted;
that upon which an inference or an argument is based; --
used chiefly in the plural.
Any writer, therefore, who . . . furnishes us with
data sufficient to determine the time in which he
wrote. --Priestley.
2. pl. (Math.) The quantities or relations which are assumed
to be given in any problem.
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.
From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]
datum line
n.
(lb en engineering) A line which serves as a reference or base for
the measurement of other quantities.
From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]
datum line
n.
(lb en engineering) A line which serves as a reference or base for
the measurement of other quantities.
From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]
datum line
n.
(lb en engineering) A line which serves as a reference or base for
the measurement of other quantities.
From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]
datum line
n.
(lb en engineering) A line which serves as a reference or base for
the measurement of other quantities.
From English - German Ding/FreeDict dictionary ver. 1.9-fd1 : [ freedict:eng-deu ]
datum line /dˈeɪtəm lˈaɪn/
Normalnull , Normal-Null
Note: Vermessungswesen
Synonym: datum level
From XDICT the English-Chinese dictionary : [ xdict ]
n. 基准线
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