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Quaternary

Noun CEFR B2
kwəˈtɜː.nə.ɹi

Definitions

  1. The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.
  2. A quaternary compound.
  3. Alternative letter-case form of quaternary.
    alt-of
  4. The Quaternary period or the system of deposits laid down during it.

Equivalents

12 more languages

Examples

“Meronyms: Pleistocene, Holocene, Anthropocene, assholocene”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

quaternary ammonium quaternary ammonium compound quaternary care quaternary compound quaternary healthcare quaternary industry

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