Science / Chemistry / Hygroscopic: Able to absorb moisture from air. For example, sodium hydroxide pellets are so hygroscopic that they dissolve in the water they absorb from the air.
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Science / Chemistry / Hygroscopicity: The ability of a substance to absorb moisture from air. For example, sodium hydroxide pellets are so hygroscopic that they dissolve in the water they absorb from the air. MORE
Science / Chemistry / Hygroscopically: By absorbing moisture from air. MORE