present participle of level
Levelling (British English) or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. It is widely used in geodesy and cartography to measure geodetic height, and in construction to measure height differences of construction artifacts.
The process of making something level.
The process of measuring levels to establish heights and altitudes.
The act or operation of making level.
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.
changing the ground level to a smooth horizontal or gently sloping surface
complete destruction of a building
the act of making equal or uniform