leveling (root: level)

HYPHEN

lev=el=ing

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WORDNET DICTIONARY

Noun leveling has 3 senses

leveling(n = noun.act) grading - changing the ground level to a smooth horizontal or gently sloping surface;

is a kind of building, construction

leveling(n = noun.act) demolishing, razing, tearing down - complete destruction of a building;

is a kind of destruction, devastation

leveling(n = noun.act) equalisation, equalization - the act of making equal or uniform;

is a kind of act, deed, human action, human activity

has particulars: balancing, reconciliation, equating, equation

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CIDE DICTIONARY

leveling, n. [Written also levelling.].

The act or operation of making level. [1913 Webster]
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. [1913 Webster]

Leveling instrument. See Surveyor's level, under Level, n. -- Leveling staff, a graduated rod or staff used in connection with a leveling instrument for measuring differences of level between points.