reverberatory
1. re.ver.ber.a.to.ry \ri-'v*r-b(*-)r*-.to-r-e-, -b*-.to-r-, -.to.r-\ aj : acting by reverberation; esp : forced back or diverted onto mat erial under treatment 2. reverberatory n : a furnace or kiln in which heat is radiated from the roof onto the mater ial treated