transmittance

noun
trans·​mit·​tance | \ tran(t)s-ˈmi-tᵊn(t)s How to pronounce transmittance (audio) , tranz- \

Definition of transmittance

2 : the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary

Examples of transmittance in a Sentence

Recent Examples on the Web Color classification is determined by measuring a syrup's internal transmittance by passing a 560nm wavelength of light through a 10mm sample. Jennifer Ouellette, Ars Technica, "Artificial “tongue” for maple syrup weeds out batches with “buddy” off flavors," 28 May 2020 In those first weeks in late March, uncertainty about the virus’s transmittance and the lack of adequate, accessible protective gear exposed medical personnel to unknown risks. Yvette Orozco Staff Writer, Houston Chronicle, "San Jac-developed face shield met key need early in pandemic," 2 June 2020 For a golden syrup, there must be 75 percent or higher transmittance. Jennifer Ouellette, Ars Technica, "Artificial “tongue” for maple syrup weeds out batches with “buddy” off flavors," 28 May 2020 By adjusting the spacing of the holes, the team were able to make wafers with transmittances of between 20% and 50% of incident light. The Economist, "Transparent solar cells could be used to glaze office blocks," 12 Dec. 2019 This label rates a window’s U-factor, solar heat gain coefficient (SHGC), visible transmittance and air leakage. Ap Mcclatchy, The Mercury News, "Angie’s List: What to know when buying new windows," 5 July 2019

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.

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First Known Use of transmittance

circa 1855, in the meaning defined at sense 1

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Time Traveler for transmittance

Time Traveler

The first known use of transmittance was circa 1855

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Cite this Entry

“Transmittance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmittance. Accessed 24 Oct. 2020.

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More Definitions for transmittance

transmittance

noun
trans·​mit·​tance | \ -ˈmit-ᵊn(t)s How to pronounce transmittance (audio) \

Medical Definition of transmittance

2 : the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary

Comments on transmittance

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