Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

absorbance

play
noun ab·sor·bance \əb-ˈsȯr-bən(t)s, -ˈzȯr-\

Definition of absorbance

  1. :  the ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance



1947

First Known Use of absorbance

1947


Medical Dictionary

absorbance

play play
noun ab·sor·bance \əb-ˈsȯr-bən(t)s, -ˈzȯr-\

Medical Definition of absorbance

  1. :  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




Learn More about absorbance


Seen and Heard

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

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious tetchy superficial flashy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ