| Definition | like or of space opera |
| OED requirements | antedating 1953 |
| Earliest cite | L. Sprague de Camp, 'Science-Fiction Handbook' |
| Comment | Fred Galvin submitted 1953 cites from L. Sprague de Camp's "Science-Fiction Handbook". |
| Last modified | 6 July, 2008 |
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| 1953 L. S. de Camp Sci.-Fiction Handbook 162 | His stories are space-operatic with a strong technological bent; little characterization or motivation, but lots of fast action, cosmic gadgetry, and ribald wit. |