\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.