ELIQUA'TION, noun [Latin eliquo, to melt; e and liquo.] In chimistry, the operation by which a more fusible substance is separated from one that is less so, by means of a degree of heat sufficient to melt the one and not the other; as an alloy of copper and lead.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI