slow neutron

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noun Physics.

a neutron with low kinetic energy, especially one slowed by the moderator in a nuclear reactor.

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Also called thermal neutron .

Origin of slow neutron

First recorded in 1930–35

OTHER WORDS FROM slow neutron

slow-neutron, adjective

Words nearby slow neutron

slow march, slow match, slow-mo, slow motion, slow-moving, slow neutron, slow on the uptake, slow-pitch, slowpoke, slow-reacting substance of anaphylaxis, slow-release

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use slow neutron in a sentence

Back in New York, the slow pace and inward focus of her yoga practice was less fulfilling.
How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
First, as opposition to gay marriage collapses, American anti-LGBT activists will slow their battle against it.
‘Only God’ Can Stop Gay Marriage|Tim Mak|January 6, 2015|DAILY BEAST
“The process of getting the approval is too slow and is too cumbersome,” Rogers said.
ISIS Fight Has a Spy Shortage, Intel Chair Says|Kimberly Dozier|January 2, 2015|DAILY BEAST
“Personal hotspots can get speeds of up to 60 Mb/s down, whereas hotel Wi-Fi can be as slow as 1.5 Mb/s,” Sesar said.
How ‘Ethical’ Hotel Chain Marriott Gouges Guests in the Name of Wi-Fi Security|Kyle Chayka|December 31, 2014|DAILY BEAST

One of the honor guard approached with slow, measured steps and presented the flag to a uniformed captain.
Choking Back Tears, Thousands of Cops Honor Fallen Officer Ramos|Michael Daly|December 28, 2014|DAILY BEAST
“The sepoys have come in from Meerut,” he announced with the slow tick of the earliest form of apparatus.
The Red Year|Louis Tracy
It is not surprising after this to learn that some children are slow in seizing the representative character of acting.
Children's Ways|James Sully
And he was not slow to notice that his visitor looked fatter each time he saw him.
The Tale of Grandfather Mole|Arthur Scott Bailey
This is a slow process, but earnest hearts and united minds will render it a sure one.
Glances at Europe|Horace Greeley
I believe so, and I make it a point both with my pupils and myself to practice slow motions.
Music-Study in Germany|Amy Fay

British Dictionary definitions for slow neutron

slow neutron

noun

physics a neutron having a kinetic energy of less than 100 electronvolts

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 slow neutron

slow neutron

[ slō ]

A neutron that is in thermal equilibrium with the surrounding medium, especially one produced by fission in a nuclear reactor, and slowed by a moderator. The uranium 235 used in thermal nuclear reactors undergoes fission more readily when struck by slow neutrons than when struck by the fast neutrons released by fission. Also called thermal neutron Compare fast neutron.