Quaternary (disambiguation)
Quaternary (or quartary) is an adjective meaning "fourth in order" or "composed of four items". More specifically, it may refer to:
- Quaternary, the fourth geologic time period
- Quaternary glaciation, the current ice age
- Quaternary numeral system (base-4) in mathematics
- Quaternary Communications Encoding, a method using 4 physical signal levels, such as 2B1Q encoding.
- Quaternary counting system, as used in some human languages
- Quaternary stress, a proposed degree of stress in linguistics
- Quaternary relation, in logic
- Quaternary structure in molecular biology
- Quaternary (chemistry)
- Quaternary compound, in which an atom, usually carbon, is attached to four other atoms
- Quaternary phase
- Quaternary sector of the economy, which encompasses knowledge-based services
- Quaternary care, health care that includes highly specialized or experimental treatments
- Quaternary prevention
- Quaternary (EP), an album by Mötley Crüe
 |
Look up quaternary in Wiktionary, the free dictionary. |
See also
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.