Joule–Thomson effect
noun
Joule–Thom·son effect
Definition of Joule–Thomson effect
: the change in temperature of a gas on expansion through a porous plug from a high pressure to a lower one under adiabatic conditions, the observation of this change proving among other things that Joule's second law is only approximately true
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Origin and Etymology of joule–thomson effect
after J. P. Joule and Sir William Thomson (Lord Kelvin) †1907 British physicist
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