absorbance


ab·sor·bance

noun \əb-ˈsr-bən(t)s, -ˈzr-\

Definition of ABSORBANCE

: the ability of a solution or a layer of a substance to absorb radiation that is expressed mathematically as the negative common logarithm of the transmittance of the substance or solution—called also optical density

Seen & Heard

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