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reflectance

American  
[ri-flek-tuhns] / rɪˈflɛk təns /

noun

Physics, Optics.
  1. the ratio of the intensity of reflected radiation to that of the radiation incident on a surface.


reflectance British  
/ rɪˈflɛktəns /

noun

  1.  ρ.  a measure of the ability of a surface to reflect light or other electromagnetic radiation, equal to the ratio of the reflected flux to the incident flux Compare transmittance absorptance

"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 reflectance

First recorded in 1925–30; reflect + -ance

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.

Reflectance spectroscopy, a primary technique linking laboratory analyses of meteorites to asteroid observations, was employed to compare fresh Ryugu samples with meteorites altered in terrestrial environments.

From Science Daily • Dec. 11, 2023

Reflectance imaging spectroscopy can also identify organic molecules like those found in cochineal insects that have been pulverized to produce a deep red pigment.

From New York Times • Jun. 28, 2021

She launched Reflectance in 2010 and was able to get the help of an investor from Prism VentureWorks whom she respected.

From Forbes • Jul. 30, 2013

Reflectance is targeting a large opportunity and has partnered for the manufacturing and distribution skills required to tap the market.

From Forbes • Jul. 30, 2013

That’s thanks to contracts that Reflectance has signed with two companies that bundle its technology with equipment that medics use in the battlefield to decide who needs the most immediate medical attention.

From Forbes • Jul. 30, 2013