tr.v., -brat·ed, -brat·ing, -brates.
- To check, adjust, or determine by comparison with a standard (the graduations of a quantitative measuring instrument): calibrate a thermometer.
- To determine the caliber of (a tube).
- To make corrections in; adjust: calibrated the polling procedures to ensure objectivity.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.