Definition of: calorimeter

(kal′ə·rim′ə·tər) noun
Any apparatus for measuring the quantity of heat generated by friction, combustion, or chemical change.
—bomb calorimeter A calorimeter in the form of a steel–walled container in which measured quantities of fuel or other substances may be burned to determine their calorific value. [<L calor heat + -METER]
—ca·lor·i·met·ric (kə·lôr′ə·met′rik, -lor′-) or ·met′ri·cal adjective
—cal′o·rim′e·try noun