reflectivity

British  

/ ˌriːflɛkˈtɪvɪtɪ /

noun

1. physics a measure of the ability of a surface to reflect radiation, equal to the reflectance of a layer of material sufficiently thick for the reflectance not to depend on the thickness

2. Also called: reflectiveness.  the quality or capability of being reflective

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Example Sentences

For years, researchers have pursued the idea of improving the reflectivity of paint on exterior walls or roofs, since this could help keep buildings cool on hot, sunny days.

From BBC

After the first few batches of satellites were launched in 2019, astronomers around the world raised concerns about the satellites’ reflectivity.

From Los Angeles Times

Marine cloud brightening involves spraying very fine saltwater from a boat towards low-level clouds above the ocean to enhance their brightness and reflectivity.

From BBC

Bifacial solar systems, paired with high ground reflectivity, offer tremendous potential in these regions.

From Science Daily

"This structure exhibits a high transmission in the 750-1000 nm range and a high reflectivity in the 500-700 nm range," researchers wrote.

From Science Daily