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:
1730–40; regenerate + -or2

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
regenerate
 
vb
1.  to undergo or cause to undergo moral, spiritual, or physical renewal or invigoration
2.  to form or be formed again; come or bring into existence once again
3.  to replace (lost or damaged tissues or organs) by new growth, or to cause (such tissues) to be replaced
4.  chem to restore or be restored to an original physical or chemical state
5.  (tr) electronics (in a digital system) to reshape (distorted incoming pulses) for onward transmission
 
adj
6.  morally, spiritually, or physically renewed or reborn; restored or refreshed
 
re'generable
 
adj
 
re'generacy
 
n
 
re'generative
 
adj
 
re'generatively
 
adv
 
re'generator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The catalyst regenerator requires a mechanically sound air grid to ensure equal distribution of the air.
The regenerator matrices were contained in cylindrical shells which were placed inside thick-walled, two-piece housings.
Spent catalysts from the reactor are routed to the regenerator where the coke deposits are burned off with air.
Lean solvent from the regenerator bottom is cooled and recycled back to the absorber.
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