An"e*roid (#), a. [Gr. priv. + wet, moist + -oid: cf. F. an'eroide.]

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.


© Webster 1913.

An"e*roid, n.

An aneroid barometer.


© Webster 1913.