calibrate

verb

cal·​i·​brate ˈka-lə-ˌbrāt How to pronounce calibrate (audio)
calibrated; calibrating
Synonyms of calibrate

transitive verb

1
: to ascertain the caliber of (something)
2
: to determine, rectify, or mark the graduations of (something, such as a thermometer tube)
3
: to standardize (something, such as a measuring instrument) by determining the deviation from a standard so as to ascertain the proper correction factors
4
: to adjust precisely for a particular function
calibrate a thermometer
5
: to measure precisely
carefully calibrate the dosage of a medicine
especially : to measure against a standard
calibrator noun

Examples of calibrate in a Sentence

carefully calibrate the dosage of a medicine
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One reason for this is that the heat index values are calibrated for shady locations with light wind. Carmel Wroth, NPR, 2 July 2026 One day soon, will smart tech be able to model a brisket stall and calibrate one of these smart smokers to push it through to completion at the press of a button? Noah Kaufman, Bon Appetit Magazine, 1 July 2026 The short answer is that evolution runs on a clock calibrated to geological time, and human lifespans are vanishingly small ticks on that clock. Scott Travers, Forbes.com, 30 June 2026 Whole-home diffusers, because they are calibrated by an HVAC technician at install, run on a more predictable replenishment cycle. Lauren Jarvis-Gibson, Charlotte Observer, 24 June 2026 See All Example Sentences for calibrate

Word History

Etymology

caliber + -ate entry 4, perhaps after French calibrer

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of calibrate was in 1850

Browse Nearby Words

Cite this Entry

“Calibrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calibrate. Accessed 6 Jul. 2026.

Kids Definition

calibrate

verb
cal·​i·​brate ˈkal-ə-ˌbrāt How to pronounce calibrate (audio)
calibrated; calibrating
1
: to measure the caliber of
2
a
: to determine, correct, or put the measuring marks on (as a tire pressure gauge)
b
: make standard (as a measuring instrument) by finding out and correcting for the differences from an accepted or ideal value
calibration
ˌkal-ə-ˈbrā-shən
noun

Medical Definition

calibrate

transitive verb
cal·​i·​brate ˈkal-ə-ˌbrāt How to pronounce calibrate (audio)
calibrated; calibrating
1
: to ascertain the caliber of (as a thermometer tube)
2
: to determine, rectify, or mark the graduations of (as a thermometer tube)
3
: to standardize (as a measuring instrument) by determining the deviation from a standard so as to ascertain the proper correction factors
calibration noun
calibrator noun

More from Merriam-Webster on calibrate

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster