Definitions

1. noun

The measure of the amount of light that is absorbed by a substance.

“The spectrophotometer measured the absorbance of the dye solution.”

2. noun

The property of being able to absorb light or other forms of radiation.

“The absorbance of the material made it suitable for solar windows.”

3. noun

The capacity of a substance to absorb liquids or gases.

“The absorbance of the sponge made it useful for cleaning spills.”