aneroid box

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• Aneroid — An e*roid, a. [Gr. a priv. + nhro s wet, moist + oid: cf. F. an[ e]ro[ i]de.] Containing no liquid; said of a kind of barometer. [1913 Webster] {Aneroid barometer}, a barometer the action of which depends on the varying pressure of the atmosphere …   The Collaborative International Dictionary of English

• Aneroid barometer — Aneroid An e*roid, a. [Gr. a priv. + nhro s wet, moist + oid: cf. F. an[ e]ro[ i]de.] Containing no liquid; said of a kind of barometer. [1913 Webster] {Aneroid barometer}, a barometer the action of which depends on the varying pressure of the… …   The Collaborative International Dictionary of English

• aneroid barometer — noun a barometer that measures pressure without using fluids • Syn: ↑aneroid • Derivationally related forms: ↑aneroid (for: ↑aneroid) • Hypernyms: ↑barometer …   Useful english dictionary

• aneroid — A thin, disc shaped box or capsule, usually metallic, partially evacuated of air and sealed, which expands and contracts with changes in atmospheric or gaseous pressure. The aneroid is the sensing and actuating element in various meters or gages …   Aviation dictionary

• aneroid capsule — Meteorol. a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter. * * * …   Universalium

• aneroid —   a. not using liquid.    ♦ aneroid barometer, instrument measuring atmospheric pressure by recording the movements of the surface of an air tight box …   Dictionary of difficult words

• aneroid — adj. & n. adj. (of a barometer) that measures air pressure by its action on the elastic lid of an evacuated box, not by the height of a column of fluid. n. an aneroid barometer. Etymology: F aneacuteroiumlde f. Gk a not + neros water …   Useful english dictionary

• aneroid capsule — Meteorol. a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter …   Useful english dictionary

• aneroid barometer — a device for measuring atmospheric pressure, often specially calibrated for use as an altimeter, consisting of a box or chamber partially exhausted of air, having an elastic top and a pointer to indicate the degree of compression of the top… …   Universalium

• ANEROID —    a barometer, consisting of a small watch shaped, air tight, air exhausted metallic box, with internal spring work and an index, affected by the pressure of the air on plates exposed to its action …   The Nuttall Encyclopaedia

• aneroid — [ anərɔɪd] adjective relating to or denoting a barometer that measures air pressure by the action of the air in deforming the elastic lid of an evacuated box. Origin C19: coined in Fr. from Gk a without + nēros water …   English new terms dictionary