ex·trac·tive /ɪkˈstræktɪv, ˈɛkˌ/
 (a.)引得出的,萃取的,抽取的抽出物,精,熬汁


 ex·trac·tive /ɪkˈstræktɪv, ˈɛkˌ/ 形容詞
 提取物,浸出物,浸出制劑,浸出的


 Ex·tract·ive a.
 1. Capable of being extracted. “Thirty grains of extractive matter.”
 2. Tending or serving to extract or draw out.
    Certain branches of industry are conveniently designated extractive: =\e.g., agriculture, pastoral and mining pursuits, cutting of lumber, etc.\=   --Cairnes.


 Ex·tract·ive, n.
 1. Anything extracted; an extract.
    Extractives, of which the most constant are urea, kreatin, and grape sugar.   --H. N. Martin.
 2. Chem. (a) A chemical principle once supposed to exist in all extracts. [Obs.] (b) Any one of a large class of substances obtained by extraction, and consisting largely of nitrogenous hydrocarbons, such as xanthin, hypoxanthin, and creatin extractives from muscle tissue.

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