[f. L. calōr-em heat + -METER, Gr. μέτρον measure.] An instrument for measuring actual quantities of heat, or the specific heat of bodies.
1794. G. Adams, Nat. & Exp. Philos., I. viii. 321. Calorimeter, or apparatus for measuring the relative quantities of fire in bodies.
1810. Henry, Elem. Chem. (1826), I. 109. Lavoisier ascertained that equal weights of different combustible bodies melt, by burning, very different weights of ice. The apparatus which he employed … he has called the calorimeter.
1881. Hill, in Metal World, No. 22. 342. Two distinct forms of calorimeter have been used, one the continuous calorimeter … the other the intermittent calorimeter.
