Quaternary (disambiguation)
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Look up quaternary in Wiktionary, the free dictionary. |
Quaternary may refer to:
- Quaternary (or quartary), the fourth geologic time period
- Quaternary numeral system (base-4) in mathematics
- Quaternary counting system in linguistics
- Quaternary (EP), an extended play recording by Mötley Crüe
- Quaternary structure in structural biology
- Quaternary compound, in which an atom is attached to four other atoms, usually carbon
- Quaternary sector of the economy, which encompasses knowledge-based services
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