3D

See also: 3d, 3ᵈ, and 3-D

🆛	U+1F19B, 🆛 SQUARED THREE D

English

3D (not comparable)

Abbreviation of three-dimensional.
Coordinate terms: 1D, 2D, 4D
- 2013 May 10, James Ball, “US government attempts to stifle 3D-printer gun designs will ultimately fail”, in The Guardian‎^[1]:
  And this is where the larger problem lies: when states try to enforce impossible bans, everyone loses. 3D printing farragoes have all the hallmarks of the absolute worst kind of ineffectual ban: one which encourages overly draconian laws that carry huge side effects, and that ultimately to have little to no effect.

abbreviation

3D (plural 3Ds)

(science fiction) A system capable of recording or displaying three-dimensional video.
Synonym: tri-V
- 1969, Dave Van Arnam, Starmind, New York, N.Y.: Ballantine Books, page 14:
  No, the slightest imbalance there would have alarms flashing all over the room. Probably it was the fact that he knew the threedee was a little out of whack.
(science fiction) A three-dimensional video.
Synonyms: trideo, tridim
- 1955 January, Martin Lesser, “The Dictator”, in Imagination, volume 6, number 1, page 85:
  A man Ellaby's own size was sitting there, viewing a 3D. When he heard Ellaby at the door he got up.

“3D”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
“3D”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
“three-D, adj.” under “three, adj. and n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.
“D., adj.” under “D, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.
Jesse Sheidlower, editor (2001–2025), “three-D, n.”, in Historical Dictionary of Science Fiction.

Partial calque of English 3D. From 三 (sān, “three”) + English 3D.

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