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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
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
An onboard life-support system will allow astronauts to survive in their suits for up to eight hours.
—Mack Degeurin, Popular Science, 16 Oct. 2024
These life-support systems make Earth resilient and stable.
—Alexa Robles-Gil, Smithsonian Magazine, 26 Sep. 2024
Their goal is to ensure the Orion capsule’s life-support systems work, setting up the Artemis III mission no earlier than September 2026.
—Richard Tribou, Orlando Sentinel, 27 July 2024
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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 22 Nov. 2024.
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
Britannica.com: Encyclopedia article about life-support system
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