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regenerator

Regenerator is a 11 letter word which starts with the letter R and ends with the letter R for which we found 2 definitions.

Definition
(n.) One who or that which regenerates.
(n.) A device used in connection with hot-air engines gas-burning furnaces etc. in which the incoming air or gas is heated by being brought into contact with masses of iron brick etc. which have been previously heated by the outgoing or escaping hot air or gas.
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