an·er·oid /ˈænəˌrɔɪd/
  (a.)非利用液體的無液氣壓計
  an·er·oid /ˈænəˌrɔɪd/ 形容詞
  無液的,不濕的
  An·e·roid a.  Containing no liquid; -- said of a 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.
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  an·e·roid, n. An aneroid barometer.
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  aneroid
       adj : containing no liquid or actuated without the use of liquid;
             "aneroid barometer"
       n : a barometer that measures pressure without using fluids
           [syn: aneroid barometer]