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Webster 1913 Edition

Leveling

Lev′el-ing

,
Noun.
[Written also
levelling
.]
1.
The act or operation of making level.
2.
(Surveying)
The art or operation of using a leveling instrument for finding a horizontal line, for ascertaining the differences of level between different points of the earth’s surface included in a survey, for establishing grades, etc., as in finding the descent of a river, or locating a line of railroad.
Leveling instrument
.
See
Surveyor's level
, under
Level
,
Noun.
–
Leveling staff
,
a graduated rod or staff used in connection with a leveling instrument for measuring differences of level between points.

Webster 1828 Edition

Leveling

LEV'ELING

,
ppr.
1.
Making level or even.
2.
Reducing to an equality of condition.

LEV'ELING

,
Noun.
The art or practice of finding a horizontal line, or of ascertaining the different elevations of objects on the surface of the earth; in other words, the difference in the distance of objects from the center of the earth.

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