neutron moderator
ScientificExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Water was able to percolate into the permeable sandstone containing the uranium deposits, and this water acted as the neutron moderator.
From Scientific American
But water on its own is a neutron moderator and would enhance the chances, however small, of criticality.
From BBC
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
