| Definition | between or occurring between planets |
| OED requirements | antedating 1937 |
| Earliest cite | J.B. Walter, 'Scientifacts' |
| Comment | Fred Galvin submitted a cite from a 1953 reprint of Hugh Frazier Parker's 1943 "The Sword of Johnny Damokles". Fred Galvin submitted a 1948 cite from Noel Loomis's "Mr. Zytztz Goes to Mars". Fred Galvin submitted a cite from a 1977 reprint of Leigh Brackett's 1944 "The Veil of Astellar". Fred Galvin submitted a 1946 cite from Hal Clement's "Cold Front". Fred Galvin submitted a 1955 cite from Jack Vance's "Meet Miss Universe". Fred Galvin submitted a 1952 cite from Michael Sherman's "A Matter of Faith". Fred Galvin submitted a 1957 cite from a cover blurb on Robert A. Heinlein's "Double Star". Fred Galvin submitted a cite for "inter-world" from a 1978 reprint of Raymond Z. Gallun's "Hotel Cosmos"; Mike Christie verified this in its original publication in Astounding, July 1938. Fred Galvin submitted a 1937 cite for "inter-world" from a feature article "SCIENTIFACTS", by J. B. Walter, in Thrilling Wonder Stories |
| Last modified | 7 January, 2009 |
click here for more information about the citation list
| 1946 ‘H. Clement’ Cold Front in Astounding Sci. Fiction July 43/2 | With interplanetary and interstellar travel, an already existing and working form of interworld government, with our knowledge of space and time and matter which cropped up occasionally and inevitably in my conversations with Serrnak Deg, it was glaringly obvious to them that our civilization was materially far in advance of theirs; that their achievements, compared to ours, were childish. |
| 1952 M. Sherman Matter of Faith in Space Sci. Fiction Sept. 66/2 | It was easy, too, to enter the planet Grekh; you just boarded an interworld ferry from either of the two sister-planets, Pittam or Speewry. |
| 1962 C. Smith Ballad of Lost C'mell in T. Shippey Oxf. Bk. Sci. Fiction (1992) 306 | Sport is international, interrace, interworld, interspecies. |