Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Greek
Origin: baros 'weight, pressure' + English -meter

barometer

noun
     
barometer
Related topics: Meteorology, Geography, Measurement
ba‧rom‧e‧ter [countable]
1TMHEM an instrument that measures changes in the air pressure and the weather, or that calculates height above sea level
2TM something that shows any changes that are happening in a particular situation:
The skin is an accurate barometer of emotional and physical health.
barometric adjective [only before noun]
barometrically adverb

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