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illuminometer

American  
[ih-loo-muh-nom-i-ter] / ɪˌlu məˈnɒm ɪ tər /

noun

  1. an instrument for measuring illumination.

Etymology

Origin of illuminometer

First recorded in 1890–95; illumin(ation) + -o- + -meter

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Godfrey uses a tool called an illuminometer to show if there’s any remaining germs on surfaces once the spray is complete.

From Washington Times

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.