![Fortin barometer Fortin barometer](https://www.tekportal.net/wp-content/uploads/2019/01/fortin-barometer.png)
Fortin barometer [fawr-tan; French fawr-tan] Word Origin noun
- an adjustable cistern barometer, the most common of those employing mercury.
Origin of Fortin barometer 1870–75; named after J. Fortin (1750–1831), French physicist who invented it
Fortin barometer [fawr-tan; French fawr-tan] Word Origin noun
Origin of Fortin barometer 1870–75; named after J. Fortin (1750–1831), French physicist who invented it