quaternary
UK /kwəˈtɜː.nə.ɹi/ US /ˈkwɑ.tɚˌnɛɹ.i/
adj 5noun 2name 2
Definitions
adj
1
Of fourth rank or order.
the quaternary stress in a pronounced word
2
Of a mathematical expression containing e.g. x⁴.
3
Relating to or in number base four.
4
quaternary ammonium.
5
Composed of four elements.
noun
1
A quaternary compound.
2
The Quaternary period or the system of deposits laid down during it.
name
1
The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.
Meronyms: Pleistocene, Holocene, Anthropocene, assholocene
2
Alternative letter-case form of quaternary.
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