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Definitions from the Web

Quaternary

Definition:

1. (Adjective) Relating to the number four; consisting of four parts or elements.

2. (Geology) Relating to or denoting the current geological era, last in the Cenozoic era, characterized by the presence of modern humans.

3. (Chemistry) Denoting the fourth stage of a chemical compound's name.

4. (Mathematics) Relating to or involving the fourth power of a quantity.

Examples:

1. She divided the cake into quaternary portions, making sure everyone had an equal share.

2. The Quaternary period in geology has been marked by significant climate changes.

3. The organic compound is named as quaternary because it has four substituent groups attached to the central carbon atom.

4. The scientist explored the quaternary equation to determine the relationships between variables.

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