\ ˌrē-ˌflek-ˈti-və-tē How to pronounce reflectivity (audio) , ri- \

Definition of reflectivity

: 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

First Known Use of reflectivity

1879, in the meaning defined above

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The first known use of reflectivity was in 1879

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Cite this Entry

“Reflectivity.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2020.

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