saturation

noun

sat·​u·​ra·​tion ˌsa-chə-ˈrā-shən How to pronounce saturation (audio)
1
a
: the act of saturating : the state of being saturated
2
: conversion of an unsaturated to a saturated chemical compound (as by hydrogenation)
3
: a state of maximum impregnation: such as
a
: complete infiltration : permeation
b
: the presence in air of the most water possible under existent pressure and temperature
c
: magnetization to the point beyond which a further increase in the intensity of the magnetizing force will produce no further magnetization
4
a
: chromatic purity : freedom from dilution with white
b(1)
: degree of difference from the gray having the same lightness
used of an object color
(2)
: degree of difference from the achromatic light-source color of the same brightness
used of a light-source color
compare hue sense 2c
5
: the supplying of a market with as much of a product as it will absorb
6
: an overwhelming concentration of military forces or firepower

Examples of saturation in a Sentence

Heavy rains resulted in the saturation of the soil. the saturation of advertising on television
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Daytime colors showed good saturation, and image detail was sharp. PC Magazine, 28 Apr. 2025 Hackman’s carbon monoxide concentration was less than 5% saturation, which is within the normal range. Morgan Lee, Chicago Tribune, 28 Apr. 2025 This is why most experts recommend consuming 3-5 grams of creatine daily for at least 4 weeks to reach muscle saturation levels with fewer side effects.2 Muscle Mass Creatine may increase muscle mass when combined with resistance exercise.3 Gaining muscle mass increases your body weight. Jillian Kubala, Health, 17 Apr. 2025 In person, the TV showed fabulous color accuracy and saturation, alongside sizzly brightness at every turn. Ryan Waniata, Wired News, 2 Apr. 2025 See All Example Sentences for saturation

Word History

First Known Use

circa 1554, in the meaning defined at sense 1a

Time Traveler
The first known use of saturation was circa 1554

Cite this Entry

“Saturation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/saturation. Accessed 27 May. 2025.

Kids Definition

saturation

noun
sat·​u·​ra·​tion ˌsach-ə-ˈrā-shən How to pronounce saturation (audio)
1
: the act or process of saturating
2
: the state of being saturated

Medical Definition

saturation

noun
sat·​u·​ra·​tion ˌsach-ə-ˈrā-shən How to pronounce saturation (audio)
1
: the act of saturating : the state of being saturated
2
: conversion of an unsaturated to a saturated chemical compound (as by hydrogenation)
3
: a state of maximum impregnation
especially : the presence in air of the most water possible under existent pressure and temperature
4
a
: the one of the three psychological dimensions of color perception that is related to the purity of the color and that decreases as the amount of white present in the stimulus increases

called also intensity

compare brightness, hue
b(1)
: degree of difference from the gray having the same lightness
used of an object color
(2)
: degree of difference from the achromatic light-source color of the same brightness
used of a light-source color
Last Updated: - Updated example sentences
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