Adjacent Words

Manometer definitions

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Webster's 1828 Dictionary

MANOM'ETER, n. [Gr. measure.] An instrument to measure or show the alterations in the rarity or density of the air.

WordNet (r) 3.0 (2005)

n
1: a pressure gauge for comparing pressures of a gas

Merriam Webster's

noun Etymology: French manomètre, from Greek manos sparse, loose, rare (akin to Armenian manr small) + French -mètre Date: circa 1730 1. an instrument (as a pressure gauge) for measuring the pressure of gases and vapors 2. sphygmomanometer • manometric adjective • manometrically adverb • manometry noun

Oxford Reference Dictionary

n. a pressure gauge for gases and liquids. Derivatives: manometric adj. Etymology: F manomètre f. Gk manos thin

Webster's 1913 Dictionary

Manometer Ma*nom"e*ter, n. [Gr. ? thin, rare + -meter: cf. F. manom[`e]tre.] 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.