transmittance

noun

trans·​mit·​tance tran(t)s-ˈmi-tᵊn(t)s How to pronounce transmittance (audio)
tranz-
1
2
: the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary

Example Sentences

Recent Examples on the Web The windows are actually translucent panels coated with Nanogel, which yields high levels of thermal insulation and light transmittance. Discover Magazine, 12 Oct. 2015 Thus, in sunlit nesting environments, less pigmentation will increase the detrimental effect of transmittance, but more pigmentation will increase the detrimental effect of absorbance. Seriously Science, Discover Magazine, 1 June 2018 As of right now, the University of Maryland researchers say that their wood achieves a 90 percent transmittance rate for light. Nathaniel Scharping, Discover Magazine, 16 May 2016 Lens coatings provide better light transmittance properties in the binoculars, allowing for higher clarity in the image. Alec Scherma, Good Housekeeping, 24 Oct. 2022 Occer also puts a special coating on the lenses to increase light transmittance, which then provides a brighter and clearer image. Alec Scherma, Good Housekeeping, 24 Oct. 2022 Whatever the marketing name, the tech can increase light transmittance by 33% and lower power draw by 25%. Chris Smith, BGR, 10 May 2022 Although the light transmittance is high, which is close to the experience of ordinary cameras, its UPC appearance is not perfect. Chris Smith, BGR, 11 June 2021 According to him, the light transmittance is close to the experience of regular selfie cameras. Chris Smith, BGR, 7 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transmittance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

circa 1855, in the meaning defined at sense 1

Time Traveler
The first known use of transmittance was circa 1855

Dictionary Entries Near transmittance

Cite this Entry

“Transmittance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmittance. Accessed 3 Feb. 2023.

Medical Definition

transmittance

noun
trans·​mit·​tance -ˈmit-ᵊn(t)s How to pronounce transmittance (audio)
1
2
: the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary
Last Updated: - Updated example sentences
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