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

This gold-standard method involves placing a small sample of food or drink inside a device known as a bomb calorimeter.

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

In the calorimeter it was found that the carbohydrates and fats burned to the same end products, namely, carbon dioxide and water, while the proteins, upon oxidation, produced carbon dioxide, water and nitrogen gas.

From Dietetics for Nurses by Proudfit, Fairfax T.