Definition of hygroscope in US English:



  • An instrument which gives an indication of the humidity of the air.

    • ‘He also designed the first flight instruments, including anemometers and hygroscopes.’
    • ‘Often the humidity required for bacteria to multiply is found on hygroscope materials.’
    • ‘The table below details the advantages and disadvantages of electric versus mechanical hygroscopes.’
    • ‘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.’
    • ‘The hygroscope measures and records changes in humidity.’