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)
Cite this Entry
“Transmissometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmissometer. Accessed 29 Jul. 2025.
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