closed system

American  

noun

Thermodynamics.

1. a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it.

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closed system Scientific  

1. A physical system that does not interact with other systems. A closed system obeys the conservation laws in its physical description.

2. Also called isolated system

3. Compare open system

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Etymology

Origin of closed system

First recorded in 1895–1900

Compare meaning

How does closed-system compare to similar and commonly confused words? Explore the most common comparisons:

• open system vs. closed system

Example Sentences

They state that in a closed system, the total amount of energy stays the same, whether it appears as heat or work.

From Science Daily

Normally, nuclear reactors use purified water, which runs through a closed system to ensure that none of the water from the reactor can get out—and that no impurities can get in.

From Literature

This would be a significant change to Apple's "closed system", where apps can only be downloaded from its own App Store.

From BBC

This would be a significant change to Apple's infamous "closed system" where apps can only be downloaded from its own App Store.

From BBC

"North Korea is a very closed system and closed economy so they created a successful industry for hacking and laundering and they don't care about the negative impression of cyber crime," Dr Dorit Dor from cyber security company Check Point said.

From BBC