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breeder reactor

American  
[bree-der-ree-ak-ter] / ˈbri dər riˈæk tər /

noun

  1. Physics. a nuclear reactor that generates more fissile material than it consumes, that is, it produces more fuel than it uses.


breeder reactor British  

noun

  1. a type of nuclear reactor that produces more fissionable material than it consumes Compare converter reactor See also fast-breeder reactor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

breeder reactor Scientific  
/ brēdər /
  1. A nuclear reactor that is used to create fissionable material (such as plutonium-239) by exposing nonfissionable material (such as uranium-238) to radiation. The source of the radiation is usually some other fissionable material. Breeder reactors produce more fissionable material than they use up.


breeder reactor Cultural  
  1. A nuclear reactor in which plutonium and other materials are produced as a by-product.


Discover More

The development of the breeder reactor has been stopped in the United States, but continues to be pursued in Europe and Japan.

Breeder reactors are designed to produce more fuel than they consume.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, it has the potential to produce prodigious amounts of energy in what is called a breeder reactor without requiring any further uranium mining.

From Washington Post • Apr. 19, 2022

A breeder reactor can provide a twofer: disposing of what is now considered a problematic waste while producing a very large amount of energy for centuries.

From Washington Post • Apr. 19, 2022

TerraPower wants to partner with countries that are actively pursuing fast, breeder reactor technology.

From Scientific American • Jun. 23, 2011

A breeder reactor uses plutonium as fuel rather than uranium: by atomic fission, additional uranium placed in the breeder is converted into more plutonium than was consumed in the original reaction.

From Time Magazine Archive

In August, some 30,000 protesters tried to slow the train down by staging a noisy demonstration at Super Phenix, the big French plutonium breeder reactor east of Lyon.

From Time Magazine Archive