Liquefy \Liq"ue*fy\ (-f[imac]), v. t. [imp. & p. p. Liquefied (-f[imac]d); p. pr. & vb. n. Liquefying (-f[imac]`[i^]ng).]

[F. liqu['e]fier, L. liquere to be liquid + facere, -ficare (in comp.), to make. See Liquid, and -fy.]

To convert from a solid form to that of a liquid; to melt; to dissolve; and technically, to melt by the sole agency of heat.

Source: Webster's Revised Unabridged Dictionary (1913)