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Dictionary definition for: Domain

1. (n) a particular environment or walk of life; "his social sphere is limited" "it was a closed area of employment" "he''s out of my orbit"

2. (n) territory over which rule or control is exercised; "his domain extended into Europe" "he made it the law of the land"

3. (n) the set of values of the independent variable for which a function is defined

4. (n) people in general; especially a distinctive group of people with some shared interest; "the Western world"

5. (n) a knowledge domain that you are interested in or are communicating about; "it was a limited domain of discourse" "here we enter the region of opinion" "the realm of the occult"

WordNet 2.1 Copyright Princeton University. All rights reserved.