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Definition of barometer noun from the Oxford Advanced American Dictionary

     

    barometer

     noun
    noun
    NAmE//bəˈrɑmət̮ər//
     
     
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  1. 1an instrument for measuring air pressure to show when the weather will change The barometer is falling (= showing that it will probably rain).
  2. 2something that shows the changes that are happening in an economic, social or political situation Infant mortality is a reliable barometer of socioeconomic conditions.
barometric
 
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NAmE//ˌbærəˈmɛtrɪk//
 
adjective barometric pressureSee barometer in the Oxford Advanced Learner's Dictionary
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