aneroid

3 definitions found

aneroid - Collaborative International Dictionary of English v.0.48 :

  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 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.
        [1913 Webster]

  aneroid \an"e*roid\, n.
     An aneroid barometer.
     [1913 Webster]

aneroid - WordNet (r) 2.1 (2005) :

  aneroid
      adj 1: containing no liquid or actuated without the use of
             liquid; "aneroid barometer"
      n 1: a barometer that measures pressure without using fluids
           [syn: aneroid barometer, aneroid]