DictionaryvernierPrecision scale or mechanism
noun / adjective

vernier

VUR-nee-er/vˈɝniɝ/

An auxiliary scale or mechanism for precise measurement or fine adjustment.

The vernier helps her read the measurement to a fraction of a millimeter.

A sliding vernier scale has ten intervals spanning nine intervals of its adjacent main scale.
Etymology

The scale takes its name from French mathematician Pierre Vernier, who described it. Its name commemorates its inventor rather than describing how the sliding scale measures.

In context

Woodworking with DIY tools3:12
I will move the vernier scale so this time I have something a slightly different these three lines coincide with three lines in the main scale
How to read the caliper Vernier scale easily

More examples

  • She uses a vernier caliper to check the tube's diameter.
  • The vernier control lets us make tiny adjustments to the instrument.
  • Both verniers have markings that align with their main scales.

Forms

vernier · verniers

Similar words

micrometer
Typically uses a calibrated screw for precise measurement or adjustment.
scale
Shows measurement divisions but need not provide especially fine readings.