closed system
noun Thermodynamics.
a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it.
Compare
open system.
Origin of closed system
First recorded in 1895–1900
Words nearby closed system
Scientific definitions for closed system
closed system
A physical system that does not interact with other systems. A closed system obeys the conservation laws in its physical description. Also called isolated system Compare open system.