MANOMETER
manometer
(noun) a pressure gauge for comparing pressures of a gas
Source: WordNet® 3.1
Etymology
Noun
manometer (plural manometers)
An instrument to measure pressure in a fluid, especially a double-legged liquid column gauge used to measure the difference in the pressures of two fluids.
Synonyms: manoscope, pressure gauge
Anagrams
• manometre
Source: Wiktionary
Ma*nom"e*ter, n. Etym: [Gr. -meter: cf. F. manomètre.]
Definition: An instrument for measuring the tension or elastic force of
gases, steam, etc., constructed usually on the principle of allowing
the gas to exert its elastic force in raising a column of mercury in
an open tube, or in compressing a portion of air or other gas in a
closed tube with mercury or other liquid intervening, or in bending a
metallic or other spring so as to set in motion an index; a pressure
gauge. See Pressure, and Illust. of Air pump.
Source: Webster’s Unabridged Dictionary 1913 Edition