Thermal Reactor 1 : A reactor in which the fission chain reaction is sustained primarily by thermal neutrons. Most current reactors are thermal reactors
U.S. Nuclear Regulatory Commission (NRC), Full-Text Glossary, Washington, DC, USA 2014. http://www.nrc.gov/reading-rm/basic-ref/glossary/f ull-text.html, (Dzstr/ Disabl Mass Care - Amer) {826}