Webster’s Revised Unabridged Dictionary · 1913
Colliquation
Col′li·qua′tion (·kwā′shŭn), n. 1. A melting together; the act of melting; fusion.
When sand and ashes are well melted together and suffered to cool, there is generated, by the colliquation, that sort of concretion we call "glass". Boyle.
2. (Med.) A processive wasting or melting away of the solid parts of the animal system with copious excretions of liquids by one or more passages. [Obs.]