Fortin barometer
[ fawr-tan; French fawr-tan ]
noun
an adjustable cistern barometer, the most common of those employing mercury.
Origin of Fortin barometer
11870–75; named after J. Fortin (1750–1831), French physicist who invented it
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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