manometer

(mă-nŏmˈĭ-tər)

1. An instrument used for measuring the pressure of liquids and gases.
2. A sphygmomanometer.

Related Forms:

• manˌo·metˈric (mănˌə-mĕtˈrĭk), manˌo·metˈri·cal adjective

• manˌo·metˈri·cal·ly adverb

• ma·nomˈe·try noun

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manometer

To calculate pressure in a U-tube manometer, add the sum of the readings above and below zero. This diagram shows an atmospheric reading of 4.