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transmissivity

American  
[trans-mi-siv-i-tee, tranz-] / ˌtræns mɪˈsɪv ɪ ti, ˌtrænz- /

noun

Physics.
  1. a measure of the ability of a material or medium to transmit electromagnetic energy, as light.


transmissivity British  
/ ˌtrænzmɪˈsɪvɪtɪ /

noun

  1. physics a measure of the ability of a material to transmit radiation, equal to the internal transmittance of the material under conditions in which the path of the radiation has unit length

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of transmissivity

First recorded in 1910–15; transmiss(ion) + -ive + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A key difference is the transmissivity: The coronavirus spreads more easily than the flu.

From Washington Post

Samsung says its display is particularly well-suited for portable electronics “not only because of its unbreakable characteristics, but also because of its light weight, transmissivity, and hardness, which are all very similar to glass.”

From Slate

Mr. Hullinger also performed studies of transmissivity, reflectivity and absorptivity of alternate materials which could be used in the Solar Funnel Cooker.

From Project Gutenberg