regenerative reactor

regenerative reactor

[rē′jen·rəd·iv rē′ak·tər]
(nucleonics)
A nuclear reactor that produces fissionable material in addition to energy; when loaded with fissionable uranium-235, and nonfissionable uranium-238 or thorium, it converts the uranium-238 or thorium into fissionable materials which are then used as fuel in the core of the reactor.
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