bolometer

noun

bo·​lom·​e·​ter bō-ˈlä-mə-tər How to pronounce bolometer (audio)
: a very sensitive thermometer whose electrical resistance varies with temperature and which is used in the detection and measurement of feeble thermal radiation and is especially adapted to the study of infrared spectra
bolometric adjective
bolometrically adverb

Examples of bolometer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Arnaud Crastes, a business development director at Teledyne Imaging, a group of technology companies that manufacture imaging sensors, noted that most bolometer manufacturers today have proposed technology with the capability to work at high temperatures such as 85 C. Meeri Kim, Discover Magazine, 12 Aug. 2021

Word History

Etymology

Greek bolē stroke, beam of light (from ballein to throw) + English -o- + -meter — more at devil

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of bolometer was in 1878

Dictionary Entries Near bolometer

Cite this Entry

“Bolometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bolometer. Accessed 20 Dec. 2024.

Medical Definition

bolometer

noun
bo·​lom·​e·​ter bō-ˈläm-ət-ər How to pronounce bolometer (audio)
: a very sensitive thermometer used in the detection and measurement of feeble thermal radiation and especially adapted to the study of infrared spectra
bolometric adjective
bolometrically adverb

More from Merriam-Webster on bolometer

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!