That cannot be fused; unmeltable.

Capable of being infused. / From which an infusion may be made.

(transitive) To cause to become an element of something; to insert or fill. / (transitive) To steep in a liquid, so as to extract the soluble constituents (usually medicinal or herbal).

plural of infusate

(medicine) A fluid given intravenously over a period of time for medication or diagnostic purposes.

In an infusive manner.

herb oil mixed with other oil

plural of infused oil

(medicine) Applied via infusion