derivation是什么意思？

derivation

英[ˌderɪˈveɪʃn] 美[ˌdɛrəˈveʃən]

• n. 引出，导出，衍生，衍生物，[语]词源，派生，出处，由来，起源；

复数：derivations;

例句

• This derivation is only valid if no chain scission accompanies crosslinking. 这一关系式仅适用于交联时不伴有断链发生的情况.
• The word is of old French derivation. 该词源于古法语。
• The derivation of its name is obscure... 其名字的由来鲜为人知。
• The derivation of its name is obscure. 其名字的由来鲜为人知。
• The custom is of Scottish derivation. 这风俗起源于苏格兰.
• a word of Greek derivation 由希腊语派生的词
• For example cons - tance variation , inequality analyze technique, Gronwall - Bellman inequality and clas - sical Liapunov function, Dini derivation ect. 例如:常数变易法, 不等式分析技巧, Gronwall -Bellman不等式以及经典的Liapunov函数法, Dini导数等.

柯林斯高阶英汉双解学习词典释义

• N-VAR
  起源;由来;(尤指)词源
  The derivation of something, especially a word, is its origin or source.
  例句
  The derivation of its name is obscure... 其名字的由来鲜为人知。 The word is of old French derivation. 该词源于古法语。

英汉词典释义

• n.
  发展;起源;派生
  The custom is of Scottish derivation. 这风俗起源于苏格兰。

英英词典释义

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

行业词典

• 医学： 衍化：物质的起因或来源；诱导，导联：心电描记器的导联；(obs.)抽出，转移：如抽血或疾病的过程从身体某一部分转移至另一部分；
  法律： 转承；