v. [f. CALIBRE + -ATE3: cf. F. calibrer.] trans. To determine the calibre of; spec. to try the bore of a thermometer tube or similar instrument, so as to allow in graduating it for any irregularities: to graduate a gauge of any kind with allowance for its irregularities.
1864. in Webster.
1869. Roscoe, Elem. Chem., 27. The [thermometer] tube must be calibrated, i. e. the irregularities in the bore must be determined and allowed for.
1870. Tyndall, Heat, x. App. 330. I give here the method of calibrating the galvanometer.
1881. Tait, in Nature, XXV. 123. The external gauge was accurately calibrated.
