What does "reflectance" mean?

The ratio of the flux reflected to that incident on a surface.

Reflectance

Common synonyms include: albedo, blink, coefficient of reflection, earth's surface albedo, reflection, reflection factor.

noun

noun ·Rare ·Advanced level

Noun

1
The ratio of the flux reflected to that incident on a surface. countable, uncountable
2
the fraction of radiant energy that is reflected from a surface wordnet

"Satellite instruments measure light emitted or reflected back to space at different wavelengths and create spectral reflectance curves."

From reflect + -ance.

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