Interfuse

Part of speech: verb (v.)

1. To pour or spread between or among; to diffuse; to scatter. The ambient air, wide interfused, Embracing round this florid earth. Milton.

2. To spread through; to permeate; to pervade. [R.] Keats, in whom the moral seems to have so perfectly interfused the physical man, that you might almost say he could feel sorrow with his hands. Lowell.

3. To mix up together; to associate. H. Spencer.