re·​gen·​er·​a·​tor ri-ˈje-nə-ˌrā-tər How to pronounce regenerator (audio)
: one that regenerates
: a device used especially with hot-air engines or gas furnaces in which incoming air or gas is heated by contact with masses (as of brick) previously heated by outgoing hot air or gas

Examples of regenerator in a Sentence

Recent Examples on the Web First, the regenerator’s electric field activates, and its PST heats up, as electrocalorical materials do. IEEE Spectrum, 29 Nov. 2023 Way back in our evolutionary past, the common ancestors of people and salamanders could have been regenerators, since at least one distant relative of modern-day salamanders could do it. Amber Dance, Smithsonian Magazine, 31 Jan. 2020 Invaders and regenerators Indigenous to the eastern United States, the eastern gray squirrel was eradicated from New York City sometime before the 1840s, and was later reintroduced to American cities in the mid-19th century. Kaitlyn Schwalje, National Geographic, 20 June 2019 The animals are crucial players in their environments, both as food for predators and regenerators of their home forests. Christine Dell'amore, National Geographic, 22 Apr. 2019 If only the media had a roast chicken collusion regenerator. Fox News, 20 May 2018 That solution is pumped to a regenerator, or stripper, which heats the amine and releases the CO2. John Schwartz, New York Times, 2 Jan. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'regenerator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1538, in the meaning defined at sense 1

Time Traveler
The first known use of regenerator was in 1538

Dictionary Entries Near regenerator

Cite this Entry

“Regenerator.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!