'Hygroscopic' definitions:
Definition of 'hygroscopic'
From: WordNet
adjective
Absorbing moisture (as from the air)
Definition of 'Hygroscopic'
From: GCIDE
- Hygroscopic \Hy`gro*scop"ic\, a. [Cf. F. hygroscopique.]
- 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. [1913 Webster]
- 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. [1913 Webster]