bolometer

American

[boh-lom-i-ter, buh-] / boʊˈlɒm ɪ tər, bə- /

noun

Physics.

a device for measuring minute amounts of radiant energy by determining the changes of resistance in an electric conductor caused by changes in its temperature.

bolometer British

/ bəʊˈlɒmɪtə, ˌbəʊləˈmɛtrɪk /

noun

a sensitive instrument for measuring radiant energy by the increase in the resistance of an electrical conductor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of bolometer

1880–85; < Greek bol ( ḗ ) ray + -o- + -meter

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023