> as lemmas

1858 J. Smith & S. A. Chease Brit. Patent 1858 (1859) 3 This engine (which we call the atomic engine) is capable of driving all kinds of machinery which have been hitherto worked by steam, water, or wind.

1914 H. G. Wells in Cent. Mag. 87 571/1 The swift aëroplane, with its atomic engine as noiseless as a dancing sunbeam.

1946 Astounding Sci. Fiction Nov. 5/2 A ‘raw’ or unshielded atomic engine could be small, light, and inordinately powerful.

1966 D. S. Halacy Shipbuilders vi. 121 Because the atomic engine needed no oxygen to support it, the Navy would have a craft capable of remaining submerged for long periods of time.

2001 Analog Sept. 15/1 His assortment of knives..made him look equipped for tasks of a highly technological nature such as the overhaul of an atomic engine.