[1] : The Collaborative International Dictionary of English v.0.48

quaternion \quater"nion\, n. l. quaternio, fr. quaterni four
   each. see quaternary.
   1. the number four. poetic
      1913 webster

   2. a set of four parts, things, or person; four things taken
      collectively; a group of four words, phrases,
      circumstances, facts, or the like.
      1913 webster

            delivered him to four quaternions of soldiers.
                                                  --acts xii. 4.
      1913 webster

            ye elements, the eldest birth
            of nature's womb, that in quaternion run. --milton.
      1913 webster

            the triads and quaternions with which he loaded his
            sentences.                            -- sir w.
                                                  scott.
      1913 webster

   3. a word of four syllables; a quadrisyllable.
      1913 webster

   4. math. the quotient of two vectors, or of two directed
      right lines in space, considered as depending on four
      geometrical elements, and as expressible by an algebraic
      symbol of quadrinomial form.
      1913 webster

   note: the science or calculus of quaternions is a new
         mathematical method, in which the conception of a
         quaternion is unfolded and symbolically expressed, and
         is applied to various classes of algebraical,
         geometrical, and physical questions, so as to discover
         theorems, and to arrive at the solution of problems.
         --sir w. r. hamilton.
         1913 webster
see also:
quaternary 

[2] : The Collaborative International Dictionary of English v.0.48

quaternion \quater"nion\, v. t.
   to divide into quaternions, files, or companies. --milton.
   1913 webster

[3] : WordNet (r) 2.0

quaternion
     n : the cardinal number that is the sum of three and one syn: four,
          4, iv, tetrad, quatern, quaternary, quaternity,
          quartet, quadruplet, foursome, little joe
see also:
four 4 iv tetrad quatern quaternary 
quaternity quartet quadruplet foursome little joe 

[4] : Easton's 1897 Bible Dictionary

quaternion
   a band of four soldiers. peter was committed by herod to the
   custody of four quaternions, i.e., one quaternion for each watch
   of the night acts 12:4. thus every precaution was taken
   against his escape from prison. two of each quaternion were in
   turn stationed at the door 12:6, and to two the apostle was
   chained according to roman custom.
   

Quaternion >> Q Words
Quaternion, definition of term: Quaternion
quaternion_pag1.html

Matrix and Quaternion FAQ
...... quaternion, if the quaternion is normalized (or a unit quaternion). In ... Z axis Quaternion::Quaternion(float fPitch, float fYaw, float fRoll ... ..
http://skal.planet-d.net/demo/matrixfaq.htm, score=100, date indexed=December 21, 2005, 2:14 am

... ..
http://mathworld.wolfram.com/Quaternion.html, score=47, date indexed=December 30, 2005, 9:17 pm

GameDev.net - Quaternion Powers
...So any quaternion multiplied with this identity quaternion will not be ... I multiply the temporary quaternion to the camera quaternion to obtain ... ..
http://www.gamedev.net/reference/articles/article1095.asp, score=44, date indexed=January 10, 2006, 3:00 pm

Quaternion - Wikipedia, the free encyclopedia
...The conjugation by a unit quaternion (a quaternion of absolute value 1 ... Quaternion operations. Quaternion operations have extended ... ..
http://en.wikipedia.org/wiki/Quaternion, score=32, date indexed=February 2, 2006, 7:45 am

Quaternion - Wikipedia, the free encyclopedia
...The conjugation by a unit quaternion (a quaternion of absolute value 1 ... Quaternion operations. Quaternion operations have extended ... ..
http://www.wikipedia.org/wiki/Quaternion, score=32, date indexed=February 2, 2006, 12:54 pm

Quaternion Julia Fractals
...To get a feel for the true nature of the quaternion fractal one needs ... Quaternion Julia fractals are created by the same principle as the ... ..
http://astronomy.swin.edu.au/~pbourke/fractals/quatjulia/, score=31, date indexed=November 15, 2005, 6:08 pm

GameDev.net -- A Simple Quaternion-based Camera
...... here's a quaternion data structure: struct quaternion { double x, y, z ... I prefer thinking of a quaternion as an object that contains a vector ... ..
http://www.gamedev.net/reference/programming/features/quatcam/, score=29, date indexed=November 17, 2005, 2:44 pm

Doing Physics with Quaternions
...Please look to my work above on quaternion analysis for a much better ... "My critique is that using his definition of a quaternion derivative, ... ..
http://world.std.com/~sweetser/quaternions/qindex/qindex.html, score=29, date indexed=December 21, 2005, 3:00 am

Quaternion group
...... Quaternion group:. *Steve B.'s Quaternion Gallery Quaternion Fractals ... Quaternion group. Noun. quaternion *A 4 dimensional complex number ... ..
http://www.serebella.com/encyclopedia/article-Quaternion_group.html, score=28, date indexed=December 14, 2005, 6:33 am

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