regenerator

[ri-jen-uh-rey-ter]
noun
  1. a person or thing that regenerates.
  2. (in a regenerative furnace) a chamber filled with checkerwork that is repeatedly heated by exhaust gases in order to heat air that is passed through it.

Origin of regenerator

First recorded in 1730–40; regenerate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for regenerator

Historical Examples of regenerator