aneroid

• POS: Adjective, Noun
• HYPHEN: an=er=oid

CIDE DICTIONARY

aneroid, a. [Gr. 'a priv. + nhro`s wet, moist + -oid: cf. F. anéroïde.].

 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 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.

aneroid, n. 

 An aneroid barometer.  [1913 Webster]

OXFORD DICTIONARY

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 an{eacute}ro{iuml}de f. Gk a- not + neros water

ROGET THESAURUS

aneroid

Air

N air, common air, atmospheric air, atmosphere, aerosphere, open air, sky, welkin, blue sky, cloud, weather, climate, rise and fall of the barometer, isobar, aerology, aerometry, aeroscopy, aeroscopy, aerography, meteorology, climatology, pneumatics, eudioscope, baroscope, aeroscope, eudiometer, barometer, aerometer, aneroid, baroscope, weather gauge, weather glass, weather cock, exposure to the air, exposure to the weather, ventilation, aerostation, aeronautics, aeronaut, containing air, flatulent, effervescent, windy, atmospheric, airy, aerial, aeriform, meteorological, weatherwise, in the open air, a la belle etoile, al fresco, sub jove dio.