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Scottish National Dictionary (1700–)
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First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
JOULE-THOMSON EFFECT. Chem. The fall in temperature which occurs in a gas which expands without doing external work, observed by J. P. Joule and Sir William Thomson c.1862. See Kelvin.
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"Joule-thomson Effect ". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 19 Dec 2025 <http://www.dsl.ac.uk/entry/snd/snd00090072>
