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Dictionary definition for: Derivation

1. (n) the source from which something derives (i.e. comes or issues) "he prefers shoes of Italian derivation"

2. (n) (historical linguistics) an explanation of the historical origins of a word or phrase

3. (n) a line of reasoning that shows how a conclusion follows logically from accepted propositions

4. (n) (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation: "singer" from "sing" "undo" from "do"

5. (n) inherited properties shared with others of your bloodline

6. (n) drawing of fluid or inflammation away from a diseased part of the body

7. (n) drawing off water from its main channel as for irrigation

WordNet 2.1 Copyright Princeton University. All rights reserved.