adjective Etymology: hygroscope, an instrument showing changes in humidity + 1-ic; from the use of such materials in the hygroscope Date: 1790 readily taking up and retaining moisture, taken up and retained under some conditions of humidity and temperature , ~ity noun
HYGROSCOPIC
Meaning of HYGROSCOPIC in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012