Fortin barometer

noun

A kind of barometer using a variable-displacement mercury cistern, usually constructed with a thumbscrew pressing on a leather diaphragm bottom, which compensates for displacement of mercury in the column with varying pressure.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounFortin barometer (plural Fortin barometers)

plural Fortin barometers

  1. A kind of barometer using a variable-displacement mercury cistern, usually constructed with a thumbscrew pressing on a leather diaphragm bottom, which compensates for displacement of mercury in the column with varying pressure.

Origin

Invented by Jean Nicolas Fortin.

Full word history & related roots →
Cite this entry
APA

Fortin barometer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Fortin%20barometer

MLA

“Fortin barometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fortin%20barometer. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fortin barometer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Fortin%20barometer.

Source: Fortin barometer on Wiktionary, CC BY-SA 4.0.