[ noun ] (historical linguistics) an explanation of the historical origins of a word or phrase
Used in print(Leo Lemon, "Catch Up With" and "Something to...)
For_example , when the film is only four minutes old , Neitzbohr refers to a small , Victorian piano_stool as `` Wilhelmina '' , and we are thereupon subjected to a flashback that informs us that this very piano_stool was once used by an epileptic governess whose name , of_course , was Doris ( the English equivalent , when passed_through middle Gaelic derivations , of Wilhelmina ) .
[ noun ] the source from which something derives (i.e. comes or issues)
"he prefers shoes of Italian derivation"
Used in print(Richard F. McLaughlin, et al., "A study of the...)
Such a dual derivation was strikingly demonstrated during the injection process where initial filling would be noted to occur in several isolated pleural vessels at_once .
[ noun ] (psychology,logic) a line of reasoning that shows how a conclusion follows logically from accepted propositions
Used in print(John F. Hayward, "Mimesis and Symbol in the Arts"...)
A chief characteristic of experience in the mode of causal efficacy is one of derivation from the past .
[ noun ] drawing of fluid or inflammation away from a diseased part of the body
[ noun ] drawing off water from its main channel as for irrigation