Deliquium

• (n.) A melting or dissolution in the air, or in a moist place; a liquid condition; as, a salt falls into a deliquium. • (n.) A sinking away; a swooning. • (n.) A melting or maudlin mood.
Found on http://thinkexist.com/dictionary/meaning/deliquium/

Deliquium

De·liq'ui·um noun [ Latin See Deliquiate .] 1. (Chemistry) A melting or dissolution in the air, or in a moist place; a liquid condition; as, a salt falls into a deliquium . [ R.] 2. A sinking away; a swooning. [ Obsolete] Bacon. 3. A meltin...
Found on http://www.encyclo.co.uk/webster/D/30

Deliquium

Change of salt from a solid to a fluid state by contact with air only. See also: Deliquescence.
Found on http://www.diracdelta.co.uk/science/source/d/e/deliquium/source.html
No exact match found