hygroscopic [ˌhaɪgrəˈskɒpɪk]
adj
(Chemistry) (of a substance) tending to absorb water from the air
hygroscopically adv
hygroscopicity [ˌhaɪgrəskəʊˈpɪsɪtɪ] n
Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003

I remain Classically unmoved wink


2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev