transmissometer
noun
trans·mis·som·e·ter
ˌtran(t)s-(ˌ)mi-ˈsä-mə-tər 
ˌtranz-
: 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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmissometer. Accessed 24 Sep. 2023.
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