Definition of Quaternary. Meaning of Quaternary. Synonyms of Quaternary

Here you will find one or more explanations in English for the word Quaternary. Also in the bottom left of the page several parts of wikipedia pages related to the word Quaternary and, of course, Quaternary synonyms and on the right images related to the word Quaternary.

Definition of Quaternary

Quaternary
Quaternary Qua*ter"na*ry, a. [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four.] 1. Consisting of four; by fours, or in sets of four. 2. (Geol.) Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man.
Quaternary
Quaternary Qua*ter"na*ry, n. [L. numerus quaternarius: cf. F. quaternaire.] 1. The number four. --Boyle. 2. (Geol.) The Quaternary age, era, or formation. See the Chart of Geology.

Meaning of Quaternary from wikipedia

- The Quaternary (/kwəˈtɜːrnəri, ˈkwɒtərnɛri/ kwə-TUR-nə-ree, KWOT-ər-nerr-ee) is the current and most recent of the three periods of the Cenozoic Era in...
- Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period...
- also refer to: Quaternary (chemistry) (see also Quaternary compound and Quaternary phase) Quaternary structure of proteins Quaternary sector of the economy...
- Pleistocene together form the Quaternary period. The Holocene is an interglacial period within the ongoing glacial cycles of the Quaternary, and is equivalent to...
- In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR4]+, where R is an alkyl...
- A quaternary carbon is a carbon atom bound to four other carbon atoms. For this reason, quaternary carbon atoms are found only in hydrocarbons having at...
- The quaternary prevention, concept coined by the Belgian general practitioner Marc Jamoulle, Quaternary prevention is the set of health activities to...
- tertiary colors. A quaternary color is a seldom-used descriptor that is the conceptual extension of a tertiary color. Quaternary colors have no special...
- The quaternary sector of the economy is based upon the economic activity that is ****ociated with either the intellectual or knowledge-based economy. This...
- a quaternary compound is a compound consisting of exactly four chemical elements. In another use of the term in organic chemistry, a quaternary compound...