Category:Aneroid

An"e*roid, a. Etym: [Gr. -oid: cf. F. anéroïde.]

Defn: Containing no liquid; -- said of kind of barometer. Aneroid barometer, a barometer the action of which depends on the varying pressure of the atmosphere upon the elastic top of a metallic box (shaped like a watch) from which the air has been exhausted. An index shows the variation of pressure.

An"e*roid, n.

Defn: An aneroid barometer.