Phrase guide

Joule-Thomson effect

noun · 1 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

The temperature change of a real gas or liquid (as differentiated from an ideal gas) when it is forced through a valve or porous plug while kept insulated so that no heat is exchanged with the environment.

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

Named after James Prescott Joule and William Thomson, 1st Baron Kelvin, who discovered it in 1852.