1. Class of entities constituting a subject matter of science. 2. Field of mastery. 3. Biological taxonomy. Highest level of system classification. Three are recognised- Sarchae, Bacteria, Eukarya. 4. Set theory. Set of elements over which a function is defined.

DOMAIN: "Joe's domain of expertise was electrical engineering."
Cite this page: N., Pam M.S., "DOMAIN," in, April 7, 2013, (accessed January 19, 2021).