quaternary

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see also: Quaternary

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Pronunciation

• (British) IPA: /kwəˈtɜːnəɹi/; (rare) IPA: /ˈkwɔːtən(ə)ɹi/
• (America) IPA: /ˈkwɑːtɚˌnɛəɹi/

Adjective

quaternary (not comparable)

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. (organic chemistry) quaternary ammonium
5. (inorganic chemistry) composed of four elements

Related terms

• quaternion

Translations

• French: d'ordre quatre, quaternaire
• Italian: quaternario
• Portuguese: quaternário
• Russian: четвертичный

Translations

• French: d'ordre quatre

Noun

quaternary (plural quaternaries)

1. (chemistry) A quaternary compound.
2. (geology) The Quaternary period or the system of deposits laid down during it.

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Quaternary

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Proper noun

1. (geology) The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.

Translations

• French: quaternaire
• German: Quartär
• Italian: quaternario
• Portuguese: Quaternário
• Russian: Четвертичный пери́од
• Spanish: Cuaternario

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