De*liq"ui*um (?), n. [L. See Deliquiate.]
1. Chem.
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.
[Obs.]
Bacon.
3.
A melting or maudlin mood.
Carlyle.
© Webster 1913.