- deliquesce (v.)
- 1756, in chemistry, from Latin deliquescere "to melt away," from de- (see de-) + liquescere "to melt," from liquere "to be liquid" (see liquid (adj.)). General use dates from 1858.
- deliquescent (adj.)
- 1791, in chemistry, from Latin deliquescentem (nominative deliquescens), present participle of deliquescere (see deliquesce). General use dates from 1866. Related: Deliquescence.
- liquescent
- "Becoming or apt to become liquid", Early 18th century: from Latin liquescent- 'becoming liquid', from the verb liquescere (see liquefy).