derivationKK [ˏdɛrəˋveʃən] /ˌdɛɹəˈveɪʃən/名詞1起源、由來、來歷The derivation of this custom remains a mystery to historians.這項習俗的由來至今仍讓歷史學家困惑。2衍生、派生Many modern drugs owe their existence to the derivation of compounds from plants.許多現代藥物都源自從植物中衍生出的化合物。3推導、演算數學、邏輯She wrote out the full derivation of the formula on the board.她在黑板上寫出這個公式的完整推導過程。4衍生法、構詞法語言學The word "happiness" is formed by derivation from an adjective.happiness 這個詞是由形容詞經衍生法構成的。