Quaternary
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See also: quaternary
English
Etymology
From Latin quaternārius (“consisting of four”), from quaternī (“by fours”); in numerical sense via Middle English quaternary. Compare French quaternaire.
Pronunciation
- enPR: kwŏt′ər-nĕr′ē, kwə-tûr′nə-rē
- (General American) IPA(key): /ˈkwɑt.əɹˌnɛɹ.i/, /kwəˈtɜɹ.nə.ɹi/
- (Received Pronunciation) IPA(key): (rare) /ˈkwɒt.əˌnɛɹ.iː/, /kwəˈtɜː.nə.ɹiː/
Proper noun
Quaternary
- (geology) The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.
- Alternative letter-case form of quaternary.
Translations
geological period
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See also
Further reading
- “Quaternary”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.
- “Quaternary”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC, page 4901, column 2.
- “Quaternary”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
- “Quaternary”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- “Quaternary”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “Quaternary”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
- “Quaternary”, in Collins English Dictionary.
- “Quaternary”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
- “Quaternary”, in OneLook Dictionary Search.