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regenerator

American  
[ri-jen-uh-rey-ter] / rɪˈdʒɛn əˌreɪ tər /

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.

Etymology

Origin of regenerator

First recorded in 1730–40; regenerate + -or 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.