albedo

/ælˈbiː.doʊ/
noun
  1. The amount of light or radiation that a surface reflects, usually expressed as a percentage.
    • Scientists measure the albedo of different surfaces to understand climate change.
    • Fresh snow has a high albedo, reflecting most of the sunlight that hits it.
    • Dark asphalt has a low albedo because it absorbs more heat from the sun.
Antonyms
What does "albedo" mean? | whatsthatwordmean | whatsthatwordmean