An instrument for measuring the density of liquids.
- ‘That first day of boiling ended with a broken hydrometer, very little syrup and a scorched evaporator pan.’
- ‘His training specialties, however, are in the hydrometer and fathometer.’
- ‘At this point bubbling will cease through the air lock and the hydrometer will show a reading of 1000.’
- ‘This is a hydrometer which is based on the principle that dissolved substances will cause a body to float.’
- ‘The surface level of the water will mark the specific gravity level and the potential alcohol level, both labeled on the hydrometer.’
- ‘While tasting the grapes is a fine way to know when to harvest them, also invest in a hydrometer - which measures the specific gravity of liquids - available at winemaking supply shops.’
- ‘Here the syrup is boiled carefully to attain the correct sugar density as measured with a sugar hydrometer and filtered again.’
- ‘Density can be determined quickly and with reasonable accuracy by floating a calibrated hydrometer in the juice.’
- ‘It is also about scales, pedometers, barometers and hydrometers.’
- ‘The other piece of equipment is a device called a hydrometer, which measures alcoholic strength.’
- ‘In the 1770s, after considerable debate about the most efficient and reliable ways of determining the specific gravity of liquors, the hydrometer was considered better than the ordinary balance.’
We take a look at several popular, though confusing, punctuation marks.