densitometer

American

[den-si-tom-i-ter] / ˌdɛn sɪˈtɒm ɪ tər /

noun

Photography. an instrument for measuring the density of negatives.
a densimeter.

densitometer British

/ ˌdɛnsɪˈtɒmɪtə /

noun

an instrument for measuring the optical density of a material by directing a beam of light onto the specimen and measuring its transmission or reflection

"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

Etymology

Origin of densitometer

First recorded in 1900–05; densit(y) + -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.

See Examples For:

densitometer

The astronomer on the panel knew all about measuring the density of an extremely small photographic image with a densitometer because he did it all the time in his studies of the stars.

From The Report on Unidentified Flying Objects by Edward J. Ruppelt

In measuring the brilliance of the lights, the photo analysts had used an instrument called a densitometer.

From The Report on Unidentified Flying Objects by Edward J. Ruppelt

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