| Definition | a device capable of transmitting or displaying a three dimensional image |
| OED requirements | antedating 1951 |
| Earliest cite | D. Knight 'Don't Live in the Past' |
| Comment | Looking for 'tri-D', 'tri-d', 'Tri-D', and 'TRI-D'.
The OED has cites for tri-D (Adams, 1979), and Tri-D (Julian May, 1981). Katrina Campbell submitted a 1982 cite for the form "tri-d" from Anne McCaffrey's "Crystal Singer". Mike Christie submitted a 1964 cite for the form "tri-D" from Frank Herbert's "Dune World". Mike Christie submitted a 1954 cite for the form "tri-D" from Frederik Pohl's "The Midas Plague". Katrina Campbell submitted a cite for the form "TRI-D" from a reprint of Anne McCaffrey's "To Ride Pegasus"; Mike Christie verified the cite in the 1973 first edition, and also located a cite for the form "Tri-D" from the 1973 first magazine appearance. Cory Panshin submitted a cite for the form "tri-D" from a reprint of Damon Knight's "Don't Live in the Past"; Mike Christie verified the 1951 original appearance. Katrina Campbell submitted a cite for the form "Tri-D" from a 1992 reprint of Anne McCaffrey and Jody Lynn Nye's 1990 "The Death of Sleep". Malcom Farmer submitted a cite for the form "Tri-D" from a reprint of Keith Laumer's "Prototaph"; Mike Christie verified the cite in the 1966 original magazine appearance. |
| Last modified | 6 July, 2008 |
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| 1953 P. Jones in Startling Stories June 9/2 | Out of the Victorian era's popular toy, the stereopticon, the British outfit called Stereo-Techniques has developed its tri-di technique. Cinemascope, the Twentieth Century-Fox entry in the tri-di derby, is a simple color film device which simulates third dimension on a concave screen giving a panoramic effect. Who'll win the tri-di sweepstakes is anybody's guess. |
| 1953 P. Jones in Startling Stories June 9/2 | Next to jump on the tri-di bandwagon was Arch Obler with his Natural Vision feature picture ‘Bwana Devil’. |
| 1953 P. Jones in Startling Stories June 9/1 | Tri-di is nothing new to the pages of science fiction, and depending on how long it takes for tv engineers to catch up with Hollywood and Startling Stories , the movie-makers can count on a few green years while the public sifts out its preferences in triple takes. |
| 1954 F. Pohl in Galaxy Sci. Fiction Apr. 49/1 | It was an enormous glaringly new mansion, bigger even than Morey's former house, stuffed to bursting with bulging sofas and pianos and massive mahogany chairs and tri-D sets and bedrooms and drawing rooms and breakfast rooms and nurseries. |
| 1962 P. Anderson in Fantastic Stories of Imagination June 63/2 | On his back he carried a lumpy metal cylinder; the harness included a plastic panel across his chest, with switches, knobs, and three meters. Like some science fiction hero on the 3D. |
| 1964 F. Herbert in Analog Sci. Fact–Sci. Fiction Jan. 58/2 | A solido tri-D projection appeared on the table surface about a third of the way down from the Duke. |
| 1966 R. Zelazny in Mag. Fantasy & Sci. Fiction June 22/2 | After appearing on tri-dee a couple times [sic] , sounding off about interstellar culture, and flashing her white, white teeth, she picked up a flush contract. |
| 1970 ‘A. Norton’ Dread Companion (1984) 183 | Kosgro switched the three through the air and thrust in and out with them as I had seen swords used in tridee tapes made on primitive worlds. |
| 1973 A. McCaffrey To Ride Pegasus 211 | Hey, boss, Roznine has been watching a lot of TRI-D lately. |
| 1973 R. Zelazny To Die in Italbar (1977) 94 | He was more impressive in person than on record or in tridee. |
| 1982 A. McCaffrey Crystal Singer 85 | Her quarters were as good as the guest facility in the Shankill Base, nothing gaudy but certainly substantial: bed, table, chairs, writing surface, tri-d screen, the customary audio-visual terminals. |
| 1990 A. McCaffrey & J. L. Nye Death of Sleep (1992) 217 | Oh, after tonight, I believe you, even if this whole evening has been like something from Tri-D. |
| 1991 A. McCaffrey Pegasus in Flight (1992) 158 | His histrionics defuse a lot of pent-up garbage in a catharsis not generated by passive watching of the Tri-D fare. |
| 2002 R. Garcia y Robertson in Asimov's Sci. Fiction Apr. 111 | Millions of tons of misguided rock and ice hurtled right at Aetna II. An unnerving sight, even in 3V. |