trans·​mis·​som·​e·​ter ˌtran(t)s-(ˌ)mi-ˈsä-mə-tər How to pronounce transmissometer (audio)
: an instrument for measuring the transmission of light through a fluid (such as the atmosphere)

Word History

First Known Use

circa 1931, in the meaning defined above

Time Traveler
The first known use of transmissometer was circa 1931

Dictionary Entries Near transmissometer

Cite this Entry

“Transmissometer.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2023.

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