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[pik-nom-i-ter] /pɪkˈnɒm ɪ tər/
a container used for determining the density of a liquid or powder, having a specific volume and often provided with a thermometer to indicate the temperature of the contained substance.
Origin of pycnometer
1880-85; pycno- + -meter Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for pycnometer
  • Place the lid on pycnometer and fasten it on a mechanical agitation device.
  • The pycnometer is then placed in a constant temperature bath and the volume of the weighed sample is determined.
  • The pycnometer was first filled with water and weighed.
  • Transfer the solution from the ampoule using a pycnometer or a pipet with dispenser handle.
  • pycnometer, a vessel of known volume used for weighing semifluids.
  • Another method used in laboratories for determining porosity is the gas pycnometer method.
British Dictionary definitions for pycnometer


a small glass bottle of known volume for determining the relative density of liquids and solids by weighing
Derived Forms
pycnometric (ˌpɪknəˈmɛtrɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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