life-support system

noun
|Updated on: 4 Jul 2018

Definition of life-support system

: 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

Recent Examples of life-support system from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'life-support system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of life-support system

1959

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

life-support system

noun

medical Definition of life-support system

: 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

Learn More about life-support system


Seen and Heard

What made you want to look up life-support system? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

peaceful, happy, or prosperous

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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