1. 
   Vacuometer
   • (n.) An instrument for the comparison of barometers. • (n.) An apparatus for the measurement of low pressures.
   Found op http://thinkexist.com/dictionary/meaning/vacuometer/
   
   
2. 
   vacuometer
   vacuometer 1. An instrument for the comparison of barometers. 2. An apparatus for the measurement of low pressures.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1302/43
   
   

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