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[trans-muh-som-i-ter, tranz-] /ˌtræns məˈsɒm ɪ tər, ˌtrænz-/
noun, Meteorology
an instrument for measuring visibility or the transmission of light in the atmosphere.
Also called hazemeter, transmittance meter.
Origin of transmissometer
1930-35; transmiss(ion) + -o- + -meter Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for transmissometer
  • For his dissertation research, he built a transmissometer, a device that measures water quality.
  • The transmissometer monitors the flue gas opacity, which indirectly characterizes particulate matter emissions.
  • transmissometer profiles were used to supplement the chemical and temperature data.

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