quaternary
IPA: kwˈɑtɝnɛri
noun
- (chemistry) A quaternary compound.
- (geology) The Quaternary period or the system of deposits laid down during it.
- (geology) The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.
adjective
- Of fourth rank or order.
- Of a mathematical expression containing e.g. x⁴.
- Relating to or in number base four.
- (organic chemistry) quaternary ammonium.
- (inorganic chemistry) Composed of four elements.
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Examples of "quaternary" in Sentences
- And Last.fm a quaternary source.
- Domains and quaternary structure.
- Quaternary sector of the economy.
- Determination of quaternary structure.
- The Pleistocene is part of the Quaternary.
- Denatonium is a quaternary ammonium cation.
- The alluvial deposits of quaternary age are divisible as newer and older.
- In the main, the terrain is flat and consists of quaternary sedimentation.
- The Quaternary sediments are of marine and fluvial alluvium of recent age.
- Doxacurium is a muscle relaxant in the quaternary ammonium compound family.
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