Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

life-support system


life–support system

noun

Definition of LIFE-SUPPORT SYSTEM

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

First Known Use of LIFE-SUPPORT SYSTEM

1959

Browse

Next Word in the Dictionary: life table
Previous Word in the Dictionary: life support
All Words Near: life-support system

Seen & 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).