Definition of Quaternion
1. Noun. The cardinal number that is the sum of three and one.
Exact synonyms: 4,
Four,
Foursome,
Iv,
Little Joe,
Quadruplet,
Quartet,
Quatern,
Quaternary,
Quaternity,
TetradGeneric synonyms: Digit,
Figure
Definition of Quaternion
1. n. The number four.
2. v. t. To divide into quaternions, files, or companies.
Definition of Quaternion
1. [n -S]
Medical Definition of Quaternion
1.
1. The number four.
2. A set of four parts, things, or person; four things taken collectively; a group of four words, phrases, circumstances, facts, or the like. "Delivered him to four quaternions of soldiers." (Acts xii. 4) "Ye elements, the eldest birth Of Nature's womb, that in quaternion run." (Milton) "The triads and quaternions with which he loaded his sentences." (Sir W. Scott)
3. A word of four syllables; a quadrisyllable.
4. 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.
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.
Origin: L. Quaternio, fr.quaterni four each. See Quaternary.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Quaternion
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