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Definitions for: Vernier
[n] a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale
[n] French mathematician who described the vernier scale (1580-1637)
Webster (1913) Definition: Ver"ni*er, n. [So named after the inventor, Pierre
Vernier.]
A short scale made to slide along the divisions of a
graduated instrument, as the limb of a sextant, or the scale
of a barometer, for indicating parts of divisions. It is so
graduated that a certain convenient number of its divisions
are just equal to a certain number, either one less or one
more, of the divisions of the instrument, so that parts of a
division are determined by observing what line on the vernier
coincides with a line on the instrument.
Vernier calipers, Vernier gauge, a gauge with a graduated
bar and a sliding jaw bearing a vernier, used for accurate
measurements.
Vernier compass, a surveyor's compass with a vernier for
the accurate adjustment of the zero point in accordance
with magnetic variation.
Vernier transit, a surveyor's transit instrument with a
vernier compass.
Synonyms: Paul Vernier, vernier scale
See Also: mathematician, scale
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