Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The fraction of radiant energy that is bounced back from a surface.

Usage examples (39)
  • The polished surface has a reflectance of about 80 %.
  • “Noted, Preacher, cycling fabric to maximum reflectance.”
  • The solar reflectance of cool roofs tends to decrease over time.
  • These properties are called absorbance - (a) and reflectance - (r). for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.