from The Century Dictionary and Cyclopedia
- n. An erroneous spelling of pycnometer.
Sorry, no etymologies found.
The picnometer should be calibrated with distilled water at 15° C.
_Specific Gravity at 15° C. _ This may be taken by means of a Westphal balance, or by using a picnometer of either the ordinary gravity bottle shape, with perforated stopper, or the Sprengel U-tube.