Phrase guide

closed system

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A physical system whose interaction with its environment is limited to particular types of transfer, so that certain quantities are conserved within the system.

Definition source: English Wiktionary via Wiktextract

Usage: physical

Topics: chemistry, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A system that can exchange heat and work, but not matter, with its surroundings.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics, thermodynamics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.