> as lemmas

1946 Proc. Amer. Philos. Soc. 90 75/1 The most obvious method of producing power from atomic fission is to heat a cooling agent such as air or steam or liquid metal in the chain reactor unit.

1950 Chemical Engin. Progress 46 110/1 It behoves this nation to keep in the forefront of reactor technology.

1963 B. Fozard Instrumentation Nucl. Reactors xii. 144 Most of the neutrons in a reactor core..are produced at the instant of fission as the products of a reaction of great violence.

1975 Nature 16 Oct. 525/3 The air in the reactor room is maintained at a lower pressure than the air outside.

1984 G. H. Clarfield & W. M. Wiecek Nucl. Amer. vii. 177 But this..did not relieve the industry from the reactor accidents and controversy that dogged it from its earliest days.

1996 PC World Aug. 24/3 Plutonium-laced Mixed Oxide Fuel is not cost-effective as either a reactor fuel or a disposal method.

2005 N.Y. Times (National ed.) 4 Dec. i. 9/5 This would guarantee that the material could not be used secretly for nuclear weapons, because it would be enriched only to ‘reactor grade’.