absorption

noun

ab·​sorp·​tion əb-ˈsȯrp-shən 

-ˈzȯrp-

1

a

: the process of absorbing something or of being absorbed

absorption of water

compare adsorption

b

: interception of radiant energy or sound waves

2

: entire occupation of the mind

his absorption in his work

absorptive

əb-ˈsȯrp-tiv 

-ˈzȯrp-

adjective

Synonyms

• immersion
• attention
• concentration

Examples of absorption in a Sentence

forgot to return the phone call due to his absorption in setting up the new computer system

Recent Examples on the Web

Exposure to the alkaline solution causes pollen’s constituent polymers to become more hydrophilic, or water-loving, so depending on the conditions, the gel will swell or shrink due to the absorption or expulsion of water, explains Ibrahim. —Sandy Ong, JSTOR Daily, 11 Sep. 2025

Twine also noted its subtle scent, quick absorption, and makeup-friendly finish. —Brigitt Earley, Glamour, 11 Sep. 2025

The building also incorporates cutting-edge sustainable technologies, including high-performance glazing to reduce heat absorption, energy-efficient systems throughout, rainwater harvesting, and greywater recycling systems. —Atharva Gosavi, Interesting Engineering, 11 Sep. 2025

Microneedling the scalp may help hair loss by stimulating hair follicles, improving blood flow, and enhancing absorption of topical hair growth treatments. —Carley Millhone, Health, 9 Sep. 2025

Word History

Etymology

borrowed from French & Late Latin; French, borrowed from Late Latin absorptiōn-, absorptiō, from absorbēre "to absorb" + -tiōn-, -tiō, suffix of action nouns

First Known Use

1597, in the meaning defined at sense 1a

Phrases Containing absorption

• absorption band
• absorption line
• absorption spectrum
• self-absorption

Rhymes for absorption

• adsorption
• desorption
• resorption
• chemisorption
• malabsorption
• reabsorption
• sorption

Kids Definition

absorption

noun

ab·​sorp·​tion əb-ˈsȯrp-shən 

-ˈzȯrp-

1

: the process of absorbing or being absorbed: as

a

: the passing of digested food through the wall of the intestines into the blood or lymph

b

: the stopping and taking in especially of radiant energy or sound waves

2

: entire occupation of the mind

absorptive

-ˈsȯrp-tiv 

-ˈzȯrp-

adjective

Medical Definition

absorption

noun

ab·​sorp·​tion əb-ˈsȯrp-shən, -ˈzȯrp- 

1

: the process of absorbing or of being absorbed

absorption of nourishment in the small intestine

compare adsorption

2

: interception of radiant energy or sound waves

Legal Definition

absorption

noun

ab·​sorp·​tion

: the application to the states of rights guaranteed by the U.S. Constitution

while Powell [v. Alabama] was sometimes described as having absorbed the right to counsel, the Court there clearly limited any such absorption

—W. R. LaFave and J. H. Israel