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domain science definition
- Mathematics The set of all values that an independent variable of a function can have. In the function y = 2x, the set of values that x (the independent variable) can have is the domain. Compare range.
- Computer Science A group of networked computers that share a common communications address.
- Biology A division of organisms that ranks above a kingdom in systems of classification that are based on shared similarities in DNA sequences rather than shared structural similarities. In these systems, there are three domains: the archaea, the bacteria, and the eukaryotes.
- Physics A region in a ferromagnetic substance in which the substance is magnetized with the same polarization throughout.
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