Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A four-dimensional hypercube.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics The
four-dimensional analogue of acube ; a 4Dpolytype bounded by eight cubes (in the same way a cube is bounded by six squares). - noun science fiction Any of various
fictional mechanisms that explainextradimensional ,superluminal , ortime travel outside thegeometry of thephysical universe .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the four-dimensional analogue of a cube
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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It contains four-dimensional equivalents to our familiar three-dimensional geometrical objects-a four-dimensional cube, for example, known as a tesseract, that has sixteen corners and thirty-two edges to a cube's eight and twelve.
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It contains four-dimensional equivalents to our familiar three-dimensional geometrical objects-a four-dimensional cube, for example, known as a tesseract, that has sixteen corners and thirty-two edges to a cube's eight and twelve.
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There's a theory of extradimensionality that holds that there are parallel universes as little as a mere .1 mm away from our own, but owing to the dimensions of our own universe (that is to say, it is folded over on itself like a sort of endless ribbon - think "tesseract" from "A Wrinkle in Time"), we are billions of light-years away from the next nearest universe, as the crow flies.
saru-san Diary Entry saru-san 2004
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Despite the fact that various advances made since 1962 in the field of physics make the scientific concept L’Engle uses to facilitate the novel’s events, called a tesseract, virtually impossible, A Wrinkle in Time remains a popular novel among young adults as well as older readers even today.
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Thus the "four-dimensional cube" receives a name, the "tesseract," and is said to be bounded by cubes.
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For instance, the projection of a cube may be made on to a plane, or even on to a line; similarly, a "tesseract" (the name given to the fourth-dimension figure traced by the motion of a cube) may be projected on three-dimension space, or even a plane.
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In your spacetime version, when you reach this step, you need to grab the center of the structure and do the tesseract twist, wrench it round by about half a rad.
365 tomorrows » Sam Clough : A New Free Flash Fiction SciFi Story Every Day 2009
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Log in to Reply tesseract (UID#4004) on October 29th, 2009 at 3: 34 pm
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Speaking of ways, by the way, there is such a thing as a tesseract.
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Julian: Your desire for a dinghy is merely the tesseract shadow cast by the four-dimensional dinghy itself
oroboros commented on the word tesseract
A four-dimensional cube. Each face of a three-dimensional cube generates a cube, when moved at right angles to the existing three dimensions (i.e., into time), including the generating cube and concluding cube, for a total of eight cubes. To see a two-dimensional rendering, including fascinating moving images, click here.
Think of it as a cube that moves through time into the future. Also used as a symbol of transcendent vision.
March 17, 2007
jimthompson commented on the word tesseract
“Speaking of ways, pet, by the way, there is such a thing as a tesseract.”
― Madeleine L'Engle, A Wrinkle in Time
October 15, 2016