life-support system

noun

: an artificial or natural system that provides all or some of the items (such as oxygen, food, water, control of temperature and pressure, disposition of carbon dioxide and body wastes) necessary for maintaining life or health

Examples of life-support system in a Sentence

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.
This knowledge was crucial for designing life-support systems and protocols for human astronauts. Scott Travers, Forbes, 11 Jan. 2025 The heating of Earth's climatic life-support system has been caused by our emissions of heat-trapping carbon dioxide and other greenhouse gases, which reached a record high in 2024. Tom Yulsman, Discover Magazine, 31 Dec. 2024 Nelson said that will also allow more time to work on the crew capsule’s life-support system. Richard Tribou, Orlando Sentinel, 5 Dec. 2024 Meanwhile Axiom engineers developed the insulation, articulated joints, life-support systems, and more that make an extravehicular spacesuit a sort of form-fitting spacecraft. Jeffrey Kluger, TIME, 18 Oct. 2024 See all Example Sentences for life-support system 

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of life-support system was in 1959

Dictionary Entries Near life-support system

Cite this Entry

“Life-support system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life-support%20system. Accessed 31 Jan. 2025.

Kids Definition

life-support system

noun
: a system that provides all or some of the items (as oxygen, food, water, proper temperature and air pressure, elimination of carbon dioxide and body wastes) necessary for maintaining life or health

Medical Definition

life-support system

noun
: a system that provides all or some of the items (as oxygen, food, water, and disposition of carbon dioxide and body wastes) necessary for maintaining life or health: as
a
: one used to maintain the health of a person or animal in outer space, underwater, or in a mine
b
: one used to maintain the life of an injured or ill person unable to maintain certain physiological processes without artificial support

More from Merriam-Webster on life-support system

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