an apparatus in which a nuclear-fission chain reaction can be initiated, sustained, and controlled, for generating heat or producing useful radiation.
- Also called atomic pile, atomic reactor, chain reactor, chain-reacting pile, nuclear pile, pile .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nuclear reactor in a sentence
Despite calls from progressives to invest in renewable energy sources like solar and wind power, the bill aims to boost the struggling nuclear power industry through a four-year, $6 billion program to keep nuclear reactors in operation.Which Industries Stand to Gain From the $1.2T Infrastructure Bill—and Which Stand to Lose | Nik Popli | August 11, 2021 | Time
The US military’s first attempts at land-based portable nuclear reactors didn’t work out well in terms of environmental contamination, cost, human health, and international relations.The US military’s first experiment with portable nuclear reactors was short and tragic | Purbita Saha | July 22, 2021 | Popular-Science
Researchers at the Nuclear Regulatory Commission and the National Academy of Sciences have previously questioned the risks of nuclear reactors being attacked by terrorists.The US military’s first experiment with portable nuclear reactors was short and tragic | Purbita Saha | July 22, 2021 | Popular-Science
With physicist Eugene Wigner, Wilkins began laying the theoretical physics groundwork for nuclear reactors.Mathematician J. Ernest Wilkins Jr. was a Manhattan Project standout despite racism | Emily Conover | June 22, 2021 | Science News
In a nuclear reactor, energy is released when uranium atoms fission, or split, after being hit by a neutron.Mathematician J. Ernest Wilkins Jr. was a Manhattan Project standout despite racism | Emily Conover | June 22, 2021 | Science News
When Israel did not admit in the '60's to establishing a nuclear reactor in Dimona, it claimed it was a 'textile factory.'
This is not the story of a future Israeli strike against Iran; this is Israel's attack on a Syrian nuclear reactor in 2007.
In 2007, the Bush administration had the location of a suspected nuclear reactor in Syria.
From nuclear-reactor makers to dictators, see who else BM has worked for.
In 2007, it signed an agreement with Russia for the construction of a small nuclear reactor on Burmese soil.
Another kind, which can be made in a nuclear reactor, is called tritium.
This ship is powered by a nuclear reactor—in other words, an atomic pile.Rip Foster in Ride the Gray Planet | Harold Leland Goodwin
"Even without a nuclear reactor or any potential atom bombs," Rick added.
He would report that country Y had a secret atomic pile—nuclear reactor, that is—in the mountains of West China.
Nevertheless, a nuclear reactor is well beyond such experiences.The Civilization of Illiteracy | Mihai Nadin
British Dictionary definitions for nuclear 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
Scientific definitions for nuclear reactor
A device used to generate power, in which nuclear fission takes place as a controlled chain reaction, producing heat energy that is generally used to drive turbines and provide electric power. Nuclear reactors are used as a source of power in large power grids and in submarines.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for nuclear reactor
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.