gauge
noun
variants:
or less commonly gage
Definition of gauge
(Entry 1 of 2)
1a
: a measurement (as of linear dimension) according to some standard or system: such as
(1)
: the distance between the rails of a railroad
(2)
: the size of a shotgun barrel's inner diameter nominally expressed as the number of lead balls each just fitting that diameter required to make a pound
a 12-gauge shotgun
(3)
: the thickness of a thin material (such as sheet metal or plastic film)
(4)
: the diameter of a slender object (such as wire or a hypodermic needle)
(5)
: the fineness of a knitted fabric expressed by the number of loops per unit width
b
: dimensions, size
c
: measure sense 1
surveys are a gauge of public sentiment
2
: an instrument for or a means of measuring or testing: such as
a
: an instrument for measuring a dimension or for testing mechanical accuracy
b
: an instrument with a graduated (see graduate entry 3 sense 2a) scale or dial for measuring or indicating quantity
3
: relative position of a ship with reference to another ship and the wind
4
: a function introduced into a field equation to produce a convenient form of the equation but having no observable physical consequences
gauge
verb
variants:
or less commonly gage
gauged
also gaged;
gauging
also gaging
Definition of gauge (Entry 2 of 2)
1a
: to measure precisely the size, dimensions, or other measurable quantity of
b
: to determine the capacity or contents of
2a
: to check for conformity to specifications or limits
b
: to measure off or set out
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