Etymology
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deliquesce (v.)

1756, in chemistry, "melt or dissolve gradually, become liquid by absorbing moisture from the air," from Latin deliquescere "to melt away," from de- (see de-) + liquescere "to melt," from liquere "to be liquid" (see liquid (adj.)). Transferred or figurative meaning "to melt away" is by 1858.

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Definitions of deliquesce

deliquesce (v.)
melt away in the process of decay;
The fungi eventually deliquesced
deliquesce (v.)
melt or become liquid by absorbing moisture from the air;
this type of salt deliquesces easily
From wordnet.princeton.edu