regenerator noun.
[rɪ'dʒɛnǝreɪtǝ] M16.[from REGENERATE verb + -OR.]1. A person who or thing which regenerates.
M16.2. A form of heat-exchanger in which hot waste gases from a furnace are conducted through a system of flues alternately with the incoming air or gas, to which their residual heat is imparted.
M19. [TahlilGaran] English Dictionary ▲