reflectivity
noun
: 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
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
Roberta SmithThe warming at the surface could be expected to melt snow and ice, reducing the earth's albedo, or reflectivity.—Roger Revelle
Roger RevelleExamples of reflectivity in a Sentence
Recent Examples on the Web
The Arctic is warming around four times faster than the rest of the planet in large part because its reflectivity is changing.
—Matt Simon, Wired News, 30 Aug. 2025
Based on the size and reflectivity of Earth, a coronagraph would need to achieve brightness contrasts of between 10-10 and 10-12 (between 1 part in 10 billion and 1 part in a trillion) to image an Earth-sized world at Earth-like distances around a Sun-like star.
—Ethan Siegel, Big Think, 5 Aug. 2025
According to Michigan law, Michigan does not have a specification for the darkness of the window application, but prohibits applications with a solar reflectivity greater than 35%.
—Jalen Williams, Freep.com, 31 July 2025
Choosing the right mix of cooling solutions Many cities around the world have taken steps to adapt to extreme heat, with tree planting and cool roof programs that implement reflectivity requirements or incentivize cool roof adoption.
—Ian Smith, The Conversation, 23 July 2025
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Matt Simon, Wired News, 30 Aug. 2025
Based on the size and reflectivity of Earth, a coronagraph would need to achieve brightness contrasts of between 10-10 and 10-12 (between 1 part in 10 billion and 1 part in a trillion) to image an Earth-sized world at Earth-like distances around a Sun-like star.
—Ethan Siegel, Big Think, 5 Aug. 2025
According to Michigan law, Michigan does not have a specification for the darkness of the window application, but prohibits applications with a solar reflectivity greater than 35%.
—Jalen Williams, Freep.com, 31 July 2025
Choosing the right mix of cooling solutions Many cities around the world have taken steps to adapt to extreme heat, with tree planting and cool roof programs that implement reflectivity requirements or incentivize cool roof adoption.
—Ian Smith, The Conversation, 23 July 2025
See All Example Sentences for reflectivity
Cite this Entry
“Reflectivity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reflectivity. Accessed 18 Sep. 2025.
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