• (1)تعریف: a system of equipment, esp. in a hospital, that keeps a person alive when he or she might otherwise die.
• (2)تعریف: the system of equipment in a spacecraft that keeps the occupants alive in outer space.
• a life-support system is special equipment that is used to keep a person alive, for example when they are very ill or in a dangerous environment. a life-support system is also the combination of all the things that living things need to survive.