calorimeter

American  

[kal-uh-rim-i-ter] / ˌkæl əˈrɪm ɪ tər /

noun

1. an apparatus for measuring quantities of heat.

---

calorimeter British  

/ ˌkæləˈrɪmɪtə, ˌkælərɪˈmɛtrɪk /

noun

1. an apparatus for measuring amounts of heat, esp to find specific heat capacities, calorific values, etc

---

Other Word Forms

• calorimetric adjective
• calorimetrically adverb
• calorimetry noun

Etymology

Origin of calorimeter

First recorded in 1785–95; calori- + -meter

Example Sentences

Each participant spent six days in a sealed, hotel-like room called a whole-room calorimeter.

From Science Daily • Oct. 24, 2025

One test had participants exercise while wearing a mask that was connected to a machine called an indirect calorimeter, which measures exhaled carbon dioxide and helps estimate energy usage.

From Science Daily • Nov. 15, 2023

To find out the number of kcal in them, you can either run an experiment with a bomb calorimeter or look up an estimated value in an online nutrition database.

From Salon • Aug. 24, 2023

When an x-ray strikes one of the mercury telluride pixels in the calorimeter, it knocks loose an electron and transfers all its energy to it.

From Science Magazine • Aug. 15, 2023

It was found that no alteration of temperature of the water of the calorimeter that could be observed was produced.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew