a device or system capable of transmitting or displaying a three dimensional image; (also) a three-dimensional image or video; = tri-D n.
They fought in the ocean below, fought in a never-ending splashing of what seemed to be liquid fire. It was like watching a tri-dim screen of a news event, except for the utter lack of sound.
Planet of No-Return in Planet Stories Winter ii. 32/2
And then the robots sent a picture. As perfect and as clear as a tridim movie, a rectangular plate took shape in Steffen’s mind.
Orphans of Void in Galaxy Science Fiction June 85/1
That slim spire at the very top was added to serve as a beaming point for TV, an early form of tri-dim.
Rubberneck in Startling Stories Apr. 128/2
I entered theaters, where the happy lotus-eaters sat slumped in their massage-chairs, transfixed by the glowing tridim images—and I capered down the aisles.
To See Invisible Man in Worlds of Tomorrow Apr. 158/1
Fine wine, yes; a tridim of a daughter who would never be embraced again, no.
Hawksbill Station in Galaxy Magazine Aug. 23/2
I hit the carriage return key, saw that I had come to the bottom of the page, and snap-rolled it out of the typewriter. All around me the screaming of the Sackett Boosters and the rest of the seventy thousand fans seemed to ripple and flow like surf, to echo in rebounding waves off the great plastoid dome overhead. But it didn’t bother me, didn’t affect my concentration. And neither did being on national TriDim in front of a New-Sport audience estimated to be fifty million or so for the Prose Bowl East Coast semifinals. There was too much at stake for me to care how many people watched Rex Sackett, The Metaphor Kid, go head-to-head against the Kansas City Flash.
Prose Bowl i. 3
Wilbur S. Peacock, in Planet Stories
Research HistoryMike Christie submitted a cite for the form "tri-dim" from a 1979 reprint of Robert Heinlein's "The Puppet Masters"; and also checked the 1951 first magazine appearance and determined that the word appears there as "tri-dimensional" instead. Malcolm Farmer verified the cite in a 1969 edition; we would like to check the 1951 first edition, or any other edition prior to 1963.
Katrina Campbell submitted a cite from a 1985 reprint of Edmond Hamilton's 1968 "The World of the Starwolves".
Ralf Brown located and Mike Christie submitted a 1963 cite from Robert Silverberg's "To See The Invisible Man".
Ralf Brown located and Mike Christie submitted a 1967 cite from Robert Silverberg's "Hawksbill Station".
Ben Ostrowsky submitted a 1942 cite from Wilbur S. Peacock, obviating the need to check some of the original printings mentioned above.
Ben Ostrowsky submitted a 1952 cite from Michael Shaara.
Last modified 2021-12-07 21:17:04
In the compilation of some entries, HDSF has drawn extensively on corresponding entries in OED.