quaternary

• Die vierte Stelle in einer Reihenfolge einnehmend oder aus vier Teilen bestehend; in der Geologie das jüngste Erdzeitalter des Känozoikums betreffend, das die letzten etwa 2,6 Millionen Jahre umfasst.

Relating to the number four; in geology, it refers to the most recent period of the Cenozoic era, covering the last 2.6 million years.

1. Arranged in sets of fourC2formal

   Consisting of or arranged in groups of four.

   Quaternär

   • The quaternary structure of a protein involves four subunits.
   • The ancient symbol had a quaternary design with four repeating elements.
   • The classification system is quaternary, grouping items into sets of four.

   Synonymefourfoldquadruplequaternate

2. Fourth in orderC2formal

   Coming next after the third and just before the fifth in position, time, degree, or magnitude.

   Quartär

   • The quaternary period is the most recent geological time period.
   • In the quaternary stage of the project, we will finalize the details.
   • The quaternary level of the hierarchy includes the top executives.

   Synonymefourth

• Substantiv, das die Kardinalzahl bezeichnet, die die Summe von drei und eins ist, oder eine Gruppe aus vier Dingen oder Personen.

A noun referring to the cardinal number that is the sum of three and one, or a set of four things.

1. The number fourC2formal

   The cardinal number that is the sum of three and one.

   Vier

   • In some ancient systems, quaternary was considered a perfect number.
   • The quaternary of elements in the problem was solved easily.
   • He counted up to quaternary before stopping.

   Synonymefourquatern