calibrate

KAL-uh-breyt /ˈkælɪbreɪt/
verbC1GRESATACTIELTS
TechnicalScientific

To adjust or mark an instrument so that it can give correct, standardized readings.

Specifically implies adjusting an instrument against a known, trusted standard, rather than just repairing or cleaning it.

The story behind the word. The word originally referred to measuring the bore of a gun barrel to ensure bullets would fit. Over time, it evolved to mean standardizing any measuring instrument.

Word relationships

  • adjust: Adjust is a general term for changing something, while calibrate specifically means adjusting to match a standard.
  • misalign: To pull out of correct alignment or standard position.

Commonly confused with

  • measure: To measure is to find the size or amount of something; to calibrate is to make sure the measuring tool itself is accurate.

Word family

  • calibration (noun): The process of calibrating an instrument.
  • calibrator (noun): A device used to calibrate other instruments.

Collocations

  • calibrate a scale
  • calibrate expectations
  • carefully calibrate

Example sentences

  • "Before starting the experiment, the lab technician had to calibrate the digital scale using a standard weight." Laboratory safety protocol

Memory hook

Think of a deli scale that needs to be set to zero using a standard one-pound weight (calibrating its balance). Aligning to a standard.

When not to use

Do not use for general repair work like fixing a broken table leg or patching a wall.

Fun facts

  • The world's most precise clocks, atomic clocks, are calibrated using the natural vibrations of cesium atoms.

Related words

accuracy, precision

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