An apparatus for measuring relative quantities of heat, or the specific
caloric of bodies; or an instrument for measuring the heat given out by a body in cooling, from the quantity of ice it melts, invented by
Lavoisier and
Laplace.
1. An apparatus for measuring the amount of heat contained in bodies or developed by some mechanical or chemical process, as friction, chemical combination, combustion, etc.
2. An apparatus for measuring the proportion of unevaporated water contained in steam.