Regenerative

Re*gen"er*a*tive (r?*j?n"?r*?*t?v), a. Of or pertaining to regeneration; tending to regenerate; as, regenerative influences. H. Bushnell.

Regenerative furnace (Metal.), a furnace having a regenerator in which gas used for fuel, and air for supporting combustion, are heated; a Siemens furnace.