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.
The camera delivered detailed 4K video with rich color during the day, while nighttime video showed better-than-average color saturation. PCMAG, 15 Jan. 2025 Earth tones vary in saturation from pale hues like beige and clay to bold shades like deep, chocolatey browns. Cyndy Aldred, Better Homes & Gardens, 6 Jan. 2025 These devices continuously track health metrics like heart rate, blood glucose levels and oxygen saturation, providing patients and providers with real-time data. Rahul Saluja, Forbes, 26 Dec. 2024 The research also showed that all of the people who vaped – with or without nicotine - had decreased oxygen saturation, meaning their lungs were probably taking in less oxygen. Jen Christensen, CNN, 25 Nov. 2024 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

Dictionary Entries Near saturation

Cite this Entry

“Saturation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/saturation. Accessed 23 Jan. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!