different between quaternion vs quaternary
quaternion
English
Etymology
From Middle English quaternioun, from Late Latin quaterni?, from quatern?, ablative form of quater (“four times”) + -i?n. The mathematics sense was coined by William Rowan Hamilton in 1843.
Pronunciation
- (UK) IPA(key): /kw??t??ni.?n/
Noun
quaternion (plural quaternions)
- A group or set of four people or things.
- A word of four syllables.
- (mathematics) A four-dimensional hypercomplex number that consists of a real dimension and three imaginary ones (i, j, k) that are each an independent square root of -1. They are commonly used in vector mathematics and in calculating the rotation of three-dimensional objects.
Synonyms
- (group of four): foursome, tetrad; see also Thesaurus:quartet
Hypernyms
- hypercomplex number
Derived terms
- quaternionic
Translations
See also
- (mathematics):
- octonion
- sedenion
- trigintaduonion
Further reading
- Cayley–Dickson construction on Wikipedia.Wikipedia
References
quaternion From the web:
- quaternion meaning
- quaternion what is w
- what is quaternion in unity
- what are quaternions used for
- what is quaternion group
- what is quaternion.identity in unity
- what is quaternion rotation
- what is quaternion.euler
quaternary
English
Etymology
From the Latin quatern?rius (“containing or consisting of four”), from quatern? (“four each”, “four at a time”) + -?rius (whence the English suffix -ary); compare the French quaternaire.
Pronunciation
- (UK) IPA(key): /kw??t??n??i/; (rare) IPA(key): /?kw??t?n(?)?i/
- (US) IPA(key): /?kw??t??n???i/
Adjective
quaternary (not comparable)
- Of fourth rank or order
- the quaternary stress in a pronounced word
- Of a mathematical expression containing e.g. x4
- Relating to or in number base four
- (organic chemistry) quaternary ammonium
- (inorganic chemistry) composed of four elements
Usage notes
The fourth ordinal from Latin that might etymologically follow tertiary is quartary, but quaternary (from the distributive number instead) is more usual in English.
Related terms
- quaternion
Derived terms
- bisquaternary
- quaternary ammonium
Translations
See also
- unary, unitary (1)
- primary (1st)
- binary (2)
- secondary (2nd)
- ternary or trinary (3)
- tertiary (3rd)
- quaternary (4)
- quartary (4th)
- tetranary (4)
- quinary (5)
- senary (6)
- septenary (7)
- octonary (8)
- novenary (9)
- nonary (9th)
- denary (10)
- duodenary (12)
- vicenary (20)
- tricenary (30)
- sexagenary (60)
- centenary (100)
Noun
quaternary (plural quaternaries)
- (chemistry) A quaternary compound.
- (geology) The Quaternary period or the system of deposits laid down during it.
quaternary From the web:
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