: the reflective quality or power of a surface or material
… conducting "reflectivity tests" to see whether Saudi sand when viewed through the goggles creates a sparkling effect that disorients pilots and causes them to send their helicopters careening to the ground.Newsweek
… there are many examples of luster-decorated ceramics, in which Islamic potters emulated the reflectivity of metalwork by applying metal oxides to white-glazed vessels …Roberta Smith
The warming at the surface could be expected to melt snow and ice, reducing the earth's albedo, or reflectivity.Roger Revelle

Examples of reflectivity in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For example, melting ice from global warming reduces the Earth’s reflectivity as temperatures rise. Hayleigh Evans, The Arizona Republic, 19 Dec. 2024 The new research is based on an analysis of climate models and NASA satellite data about the Earth’s reflectivity. Evan Bush, NBC News, 5 Dec. 2024 Researchers tested seven particles as potential atmospheric aerosols and ranked their suitability based on their heat absorption, reactivity and reflectivity. Devika Rao, theweek, 12 Nov. 2024 After the first few batches of satellites were launched in 2019, astronomers around the world raised concerns about the satellites’ reflectivity. Noah Haggerty, Los Angeles Times, 29 Oct. 2024 See all Example Sentences for reflectivity 

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of reflectivity was in 1879

Dictionary Entries Near reflectivity

Cite this Entry

“Reflectivity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reflectivity. Accessed 26 Dec. 2024.

Last Updated: - Updated example sentences
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