calibrate

verb

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

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.
There, one of the tallest towers in Antarctica measures atmospheric data and helps calibrate Earth observation satellites. Jamie Carter, Space.com, 23 Sep. 2025 Ojos calibrated me to a new kind of suffering, which would prove useful, at lower elevations, in the years to come. Charles Bethea, New Yorker, 20 Sep. 2025 Few actors understood the assignment every single time like Robert Redford, who would carefully calibrate his charisma depending on the part. Brian Tallerico, Vulture, 16 Sep. 2025 The limited use of assets was correct and calibrated to the potential threat perceived, which speaks to the utility of Eastern Sentry. Brendan Cole, MSNBC Newsweek, 16 Sep. 2025 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 30 Sep. 2025.

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

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