thermal reactor

noun

1. a nuclear reactor in which most of the fission is caused by thermal neutrons

Example Sentences

The 35-megawatt thermal reactor will test the concept of using molten salt as a coolant and test the type of nuclear fuel, the NRC said.

Read more on Seattle Times

A thermal reactor "burns" a fuel typically containing a few percent of the isotope uranium-235, which releases energy and neutrons in a chain reaction.

Read more on Science Magazine