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derivation

美[ˌderɪ'veɪʃn] 英[ˌderɪ'veɪʃn]

n. 派生；推导；来历

sp. 衍生物；导数.

形容词：derivational

近义词：origin，source，root，beginning，seed，cradle，descent，blood，filiation，lineage，deriving，etymologizing，ancestry，

Noun

the source or origin from which something derives (i.e. comes or issues);
"he prefers shoes of Italian derivation" "music of Turkish derivation"
(historical linguistics) an explanation of the historical origins of a word or phrase
a line of reasoning that shows how a conclusion follows logically from accepted propositions
(descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation;
"`singer' from `sing' or `undo' from `do' are examples of derivations"
inherited properties shared with others of your bloodline
drawing of fluid or inflammation away from a diseased part of the body
drawing off water from its main channel as for irrigation
the act of deriving something or obtaining something from a source or origin

用作名词(n.)

As in Arabic and Hebrew, Esperanto makes up most of its vocabulary through derivation from invariable roots.同阿拉伯语和希伯来语一样，世界语通过在不变的词根上派生出大多数的词汇。
Every sentence has a canonical derivation.每个句子都有一个规范推导。
Our derivation lacks rigour in this regard.我们的推导在这方面是不严格的。
The derivation of the poem isn't confirmed.这首诗出处不详。
The custom is of Scottish derivation.这种风俗起源于苏格兰。

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