microphotometer

noun

mi·​cro·​pho·​tom·​e·​ter ˌmī-krə-fō-ˈtä-mə-tər How to pronounce microphotometer (audio)
: an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate
microphotometric
ˌmī-krə-ˌfō-tə-ˈme-trik How to pronounce microphotometer (audio)
adjective
microphotometrically
ˌmī-krə-ˌfō-tə-ˈme-tri-k(ə-)lē How to pronounce microphotometer (audio)
adverb
microphotometry
ˌmī-krə-fō-ˈtä-mə-trē How to pronounce microphotometer (audio)
noun

Word History

Etymology

micro- + photometer

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of microphotometer was in 1899

Rhymes for microphotometer

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Browse Nearby Words

microphotograph
microphotometer
microphyll
See all Nearby Words

Cite this Entry

“Microphotometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microphotometer. Accessed 31 Oct. 2025.

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Medical Definition

microphotometer

noun
mi·​cro·​pho·​tom·​e·​ter -fō-ˈtäm-ət-ər How to pronounce microphotometer (audio)
: an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate
microphotometric
-ˌfōt-ə-ˈme-trik How to pronounce microphotometer (audio)
adjective
microphotometrically
-tri-k(ə-)lē How to pronounce microphotometer (audio)
adverb
microphotometry
-fō-ˈtäm-ə-trē How to pronounce microphotometer (audio)
noun
plural microphotometries
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