vernier

Fractional reading aid

A vernier is a small movable scale that slides along a fixed graduated scale to measure fractions of divisions—named for its inventor.

Vernier calipers and other precision instruments use this principle to achieve fine measurements.

The term extends to any device allowing small, precise adjustments: a vernier dial for fine-tuning radio frequencies.

caliper

micrometer

Millionth of a meter

  • jawsMouth's bony framework
  • depthDistance below surface
  • gaugeStandard of measurement

dial · digital · slider · locknut · screw · beam · anvil · spindle · readout · inside

precision

accuracy

Degree of correctness

tolerance · discrimination · graduation · refinement · subtlety · calibration · metrology · thousandth · hundredth · interpolation

adjustment

tuning

Adjusting pitch accuracy

calibration · zeroing · fine-tuning · correction · positioning · synchronization · trimming · configuration · optimization · balancing

scale

graduation

Completing academic requirements formally

interpolation · auxiliary · sliding · index · main · fractional · subdivision · decimal · resolution · increment

instruments

spectrometer

Measures electromagnetic radiation properties

transit · barometer · pyrometer · comparator · protractor · altimeter · inclinometer · level · clinometer · telescope

Opposites
measurement precision

vernierapproximation

Near but inexact value

estimate · eyeballing · estimation

Phrases
Family

verniers

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Used worldwide · Timeless · Concrete · Rated G