Webster’s Revised Unabridged Dictionary · 1913
Colliquate
Col′li·quate (kŏl′lĭ·kwāt), v. t. & i. [imp. & p. p. Colliquated; p. pr. & vb. n. Colliquating.] [Pref. col- + L. liquare, liquatum, to melt.] To change from solid to fluid; to make or become liquid; to melt. [Obs.]
The ore of it is colliquated by the violence of the fire. Boyle.
[Ice] will colliquate in water or warm oil. Sir T. Browne.