\ 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

Keep scrolling for more

Learn More about reflectivity

Statistics for reflectivity

Look-up Popularity

Time Traveler for reflectivity

The first known use of reflectivity was in 1879

See more words from the same year

Comments on reflectivity

What made you want to look up reflectivity? Please tell us where you read or heard it (including the quote, if possible).


a strong desire or propensity

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!