hygroscopic Meaning, Definition & Usage

  1. adjective satellite absorbing moisture (as from the air)

WordNet

Hy`gro*scop"ic adjective
Etymology
Cf. F. hygroscopique.
Definitions
  1. Of or pertaining to, or indicated by, the hygroscope; not readily manifest to the senses, but capable of detection by the hygroscope; as, glass is often covered with a film of hygroscopic moisture.
  2. Having the property of readily inbibing moisture from the atmosphere, or of the becoming coated with a thin film of moisture, as glass, etc.

Webster 1913