closed system

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|physics|physical chemistry|engineering}} A [[physical system]] whose [[interaction]] with its [[environment]] is limited to particular types of [[transfer]], so that certain quantities are [[conserve]]d within the system.
2. {{lb|en|thermodynamics}} A system that can exchange [[heat]] and [[work]], but not [[matter]], with its surroundings.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.