DELIQUESCING
Verb
deliquescing
present participle of deliquesce
Source: Wiktionary
DELIQUESCE
Del`i*quesce", v. i. [imp. & p. p. Deliquesced; p. pr. & vb. n.
Deliquescing.] Etym: [L. deliquescere to melt, dissolve; de- +
liquescere to become fluid, melt, fr. liquere to be fluid. See
Liquid.] (Chem.)
Definition: To dissolve gradually and become liquid by attracting and
absorbing moisture from the air, as certain salts, acids, and
alkalies.
In very moist air crystals of strontites deliquesce. Black.
Source: Webster’s Unabridged Dictionary 1913 Edition