Definitions for "Reducing Atmosphere"
Oxygen-poor firing atmosphere
An atmosphere which tends to 1) promote the removal of oxygen from a chemical compound; 2) promote the reduction of immersed materials.
Furnace atmosphere which absorbs oxygen under suitable conditions or in which there is insufficient air to completely burn the fuel, or the product of combustion is reducing to the metal being heated.
Keywords:  significant, free, containing
containing significant free H2(g).