Definition of Joule–Thomson effect in English:

Joule–Thomson effect

Syllabification: Joule–Thom·son ef·fect

noun

Physics
The change of temperature of a gas when it is allowed to expand without doing any external work. The gas becomes cooler if it was initially below a certain temperature (the inversion temperature), or hotter if initially above it.

Definition of Joule–Thomson effect in:

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Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something