QUATERNARY • DICCIONARIO INGLES.COM • Definition of Quaternary

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/kwˈɑtərnˌɛri/ Listen

Quaternary

adjective

Consisting of or especially arranged in sets of four. Synonym: quaternate. "A quaternary compound"

Coming next after the third and just before the fifth in position or time or degree or magnitude. Synonyms: 4th, fourth.

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Etymology of 'Quaternary'

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quaternary ammonium compound

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"Quaternary" Quotes from Famous Books

... has been proved by geologists that the present wild horse (Equus Przewalski) has slowly been evolved during the later parts of the Tertiary and the Quaternary period, but that during this succession of ages its ancestors were not confined to some given, limited area of the globe. They wandered over both the Old and New World, returning, in all probability, after a time to the pastures which ...

— Mutual Aid • P. Kropotkin

... which now cover so large a part of Europe. This was still further followed by a period in which the temperature of the earth was lowered, and ice and glaciers had perhaps a part in forming the present surface of the northern hemisphere. During the first period, which may be called the "Quaternary Period,"[B] the mighty animals lived whose bones are now found in caverns, or under the slowly deposited sediment of the waters, or preserved in bog,—the mammoth, and rhinoceros, and elk, and bear, and elephant, as well as many ...

— Atlantic Monthly, Vol. 10, No. 62, December, 1862 • Various

Words linked to "Quaternary" : 4th, geological period, glacial epoch, Cenozoic era, ordinal, Cenozoic, four, iv, digit, period, quatern, Pleistocene epoch, Recent epoch, Holocene epoch, multiple, figure, Pleistocene, Age of Mammals, recent, Holocene