calibrate
KAL-uh-brayt
/ˈkæl.ɪ.breɪt/
To mark, adjust, or check a measuring instrument against a known standard so that it gives accurate, reliable readings.
Implies comparing an instrument's reading to a certified standard to correct fine errors, not merely turning a device on.
The story behind the word. The term originated in Renaissance artillery, where caliber referred to the interior diameter of a gun barrel. Measuring the barrel size precisely to select the right cannonball evolved into the general concept of fine-tuning measuring instruments.
Word relationships
- standardize: Standardize means making things uniform; calibrate specifically fine-tunes a scale or device against a known benchmark.
- adjust: Adjust is general, whereas calibrate specifically involves precise reference standards.
- misadjust: To set or adjust improperly out of alignment with standard measurements.
Commonly confused with
- calculate: Calculate means performing mathematical operations, whereas calibrate means adjusting physical measuring devices.
Word family
- calibration (noun): The process or act of calibrating an instrument.
- calibrator (noun): A device or standard sample used to perform calibration.
Collocations
- calibrate an instrument
- calibrate sensors
- re-calibrate
- properly calibrated
Example sentences
- "The laboratory technician had to calibrate the digital scale using a certified ten-gram standard weight before weighing samples." Analytical Chemistry
- "Sensors placed in the river must be calibrated monthly to compensate for environmental drift." Environmental Monitoring
Memory hook
Think of checking the CALIBER of a gun barrel to make sure it MATCHES exact measurements. Tune against a standard for true readings.
When not to use
Do not use when simply cleaning or repairing broken hardware without setting scale accuracy.
Fun facts
- The word shares its origin directly with 'caliber' in firearms, both tracing back to an Arabic root for a shoemaker's wooden mold.
Related words
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