| Definition | the science of manipulating gravity |
| OED requirements | antedating 1944 |
| Earliest cite | Malcolm Jameson, Tricky Tonnage |
| Comment | Mike Christie located and Brian Ameringen verified a cite in a 1974 reprint of Poul Anderson's story "Eutopia". Eric Raymond then verified the cite in a 1969 reprint. Dan Tilque submitted a cite from a reprint of Isaac Asimov's "The Dead Past"; Mike Christie verified the cite in the 1956 original magazine appearance. Bill Seabrook submitted a 1953 cite from Theodore Sturgeon's "More Than Human". Enoch Forrester submitted a cite from a reprint of Isaac Asimov's "Foundation's Edge"; Mike Christie verified the cite in the 1982 first edition. Mike Christie submitted a 1945 cite from Wesley Long's "The Fixer". Bryn Neuenschwander submitted a cite from a 2001 reprint of David Weber's 1995 "Flag in Exile". Mike Christie submitted a 1944 cite from Wesley Long's "Redevelopment". Mike Christie submitted a 1944 cite from Malcolm Jameson's "Tricky Tonnage". |
| Last modified | 6 July, 2008 |
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| 1982 I. Asimov Foundation's Edge 54 | I've been trained in space navigation, but not on these ships. If something goes wrong with the gravitics, I'm afraid there's nothing I can do about it. |