quaternary
See also: Quaternary
English
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Etymology
From the (deprecated template usage) [etyl] Latin quaternārius (“containing or consisting of four”), from quaternī (“four each”, “four at a time”) + -ārius (whence the (deprecated template usage) [etyl] English suffix -ary); compare the French quaternaire.
Pronunciation
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Audio (US): (file)
Audio (AU): (file)
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
Usage notes
The etymologically correct fourth ordinal from Latin (following tertiary) is quartary, but quaternary (from the distributive number instead) is common, particularly in biology.
Related terms
Derived terms
Translations
of fourth rank or order
|
of mathematical expressions
|
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.