Full record for gravitic adj.

Definition relating to gravitics
OED requirements antedating 1935
Earliest cite "Don A. Stuart", 'Rebellion'
Comment Mike Christie submitted a 1941 cite from Robert Heinlein's "Sixth Column".
Enoch Forrester submitted a 1939 cite from Malcolm Jameson's "A Question of Salvage".
Enoch Forrester submitted a 1944 cite from George O. Smith's "Latent Image".
Enoch Forrester submitted a cite from a 1991 reprint of Isaac Asimov's "Foundation"; Mike Christie confirmed the cite in the 1951 first edition.
Michael Dolbear submitted a cite from a 1993 reprint of Lois McMaster Bujold's "The Vor Game".
Mike Christie submitted a 1986 cite from William Gibson's "The Winter Market".
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.
Katrina Campbell submitted a cite from a 1985 reprint of Edmond Hamilton's 1968 "The World of the Starwolves".
Fred Galvin submitted a cite from a 1976 reprint of "Rebellion" by John W. Campbell writing as "Don A. Stuart": Mike Christie verified this in its first publication in Astounding Science Fiction, August 1935
Last modified 31 July, 2019

Citations for gravitic adj.

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1939 Astounding Sci.-Fiction Oct. 72/2 It is described as an elongated ellipsoid of about five million miles along major axis and the gravitic equivalent at center is estimated to be of the order of several thousand megabars. Correspondingly strong ‘highs’ have been detected both above and below it as well as in front of and behind it, so that extraecliptic travel lanes are as impassable as the usual ones. Gravitic gradients throughout Mars-Jupiter sector at new record and zeta emanation abundant.
1939 Astounding Sci.-Fiction Oct. 72/2 Some structural damage was suffered by the vessel owing to pounding by gravitic waves, but she returned to base without assistance.
1941 R. A. Heinlein in Astounding Sci. Fiction Jan. 15/2 You see, there are three types of energy fields known to exist in space; electric, magnetic, and gravitic or gravitational.
1944 ‘W. Long’ in Astounding Sci. Fiction May 25/1 Gravitic phenomena propagates at the speed of light raised to the power of 2.71828–That's our limiting velocity.
1951 I. Asimov Foundation 19 The elevator was of the new sort that ran by gravitic repulsion.
1982 V. N. McIntyre Wrath of Khan Prologue 9 The message was only intermittantly comprehensible. ‘? gravitic mine, lost all power.’
1982 I. Asimov Foundation's Edge 3 Now it's a colossal mausoleum, but is there a force-field ramp in the place? A slideway? A gravitic lift?–No, just these steps.
1986 W. Gibson in Interzone Spring 10/1, I grinned, thinking about that, and suddenly it hit me that it really was over, that I was done with Lise, and that now she'd be sucked off to Hollywood as inexorably as if she'd poked her toe into a black hole, drawn down by the unthinkable gravitic tug of Big Money.
1990 L. M. Bujold Vor Game (1993) 268 The up-and-coming weapon for ship-to-ship fighting in the last couple of years seemed to be the gravitic imploder lance, a modification of tractor-beam technology; variously-designed artificial-gravity shields were still lagging behind in protection from it.
1998 D. Brin Heaven's Reach 72 But right now they are using a supplementary gravitic engine to hasten progress, fleeing unexpected chaos in this stellar system.