English Reference
Verb

calibrate

v.
B2 Upper Intermediate US /ˈkæɫəˌbɹeɪt/ UK /kˈælɪbɹˌeɪt/ cal·i·brate UK spelling calibrates, calibrating Technology

v.to check and adjust a machine or tool so that it gives the correct measurements. You do this to make sure the device is working exactly as it should.

v.to determine the accuracy of a measuring instrument by comparing it to a known standard. Often involves adjusting the device to ensure it provides consistent and reliable data.


SIMPLE

You need to calibrate the scale before you start weighing the ingredients.

CONTEXTUAL

The technician spent the morning calibrating the sensors to ensure the data collected during the experiment was accurate.

COMPLEX

Before the satellite entered its final orbit, engineers had to calibrate the onboard instruments to account for the slight atmospheric drag that would affect its trajectory over time.

Storytellers also needed to read the room, calibrating their performances based on the audience’s response.

Smithsonian Magazine· 17 Jul 2026

From caliber or calibre + -ate.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Occasional
Updated