Having the quality of gradually melting or dissolving by absorbing moisture from the air.
From 'deliquesce' plus the suffix '-ent,' which creates an adjective meaning 'having the quality of' or 'tending to.' This follows the Latin adjective pattern seen in 'luminescent' or 'opalescent.'
Chemists love describing salts as 'deliquescent'—it's a precise way of saying 'this substance will literally turn into liquid if you don't keep it dry,' which explains why some containers say 'keep in a cool, dry place.'
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