How To Use Hygroscope In A Sentence

The table below details the advantages and disadvantages of electric versus mechanical hygroscopes.
He also designed the first flight instruments, including anemometers and hygroscopes.
Often the humidity required for bacteria to multiply is found on hygroscope materials.
If moisturising is continuous over the hygroscope moisture content then flax can mould even during a couple of days.
Babf crystal exhibits high chemical stability, free of moisture and hygroscopes and has very good mechanical properties.

In this way a small area of the surface of the earth is converted into a hygroscope, and these test surfaces tell us whether the ground is cooled to the dew-point or not. Scientific American Supplement, No. 530, February 27, 1886
The hygroscope measures and records changes in humidity.