The phrase "power reactors" refers to large machines that produce electricity by using nuclear energy. They are similar to power plants, but they use nuclear reactions instead of burning fossil fuels like coal or gas. Full definition
He noted that every state that has developed nuclear weapons has done it with research reactors not power reactors. (news.mongabay.com)
Due to its properties, it is extensively used in nuclear power reactors and in the production of nuclear weapons. (chemistrylearner.com)
NuScale builds on lessons learned from the existing fleet of commercial power reactors and incorporates those lessons into the fundamental design of the NuScale plant, as well as including several new design innovations to further enhance safety. (nuscalepower.com)