fast breeder 
(also fast breeder reactor)
noun
A breeder reactor in which the neutrons causing fission are not slowed by any moderator.The plutonium was now to be separated out so that it could be recycled into a new type of reactor known as the fast breeder....
- There has been significant progress in the field of atomic energy, including a movement towards achieving a fast breeder reactor.
- And the government poured billions of dollars into the development of exotic technologies such as fast breeder reactors, which theoretically can produce more plutonium than they consume.
- industrial starch
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- Industrial Workers of the World
- industrious
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- industry leader
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- in Dutch
- indwell
- indweller
- Indy
- IndyCar
- -ine
- in earnest