Vernier Definition

vûrnē-ər
noun
A short graduated scale that slides along a longer graduated instrument and is used to indicate fractional parts of divisions, as in a micrometer.
Webster's New World
Any device that makes possible a finer setting of a tool or measuring instrument.
Webster's New World

A secondary control input with finer control than the primary, or coarse, input; for example the vernier frequency tuning knob on a radio.

Wiktionary
(physics) A secondary system of force application for the attitude control of a spacecraft; for example a vernier thruster.
Wiktionary
Synonyms:
  • Paul Vernier
  • vernier scale
adjective
Of or fitted with a vernier.
Webster's New World

Other Word Forms of Vernier

Noun

Singular:
vernier
Plural:
verniers

Origin of Vernier

  • Borrowing from French vernier. From Pierre Vernier, the inventor.

    From Wiktionary

  • After Pierre Vernier (1580?–1637), French mathematician

    From American Heritage Dictionary of the English Language, 5th Edition

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