hygroscope hygroplasma • hygroscopic · · · Info · Definitions · Characters · · hygroscope · · Text Latin · · Script 10 · · Length Definitions · · · (noun) hygrometer that shows variations in the relative humidity of the atmosphere. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079