Extraction

[ɪk'strækʃ(ə)n;ek-] or [ɪk'strækʃən]

解释:

(noun.) the action of taking out something (especially using effort or force); 'the dentist gave her a local anesthetic prior to the extraction'.

(noun.) the process of obtaining something from a mixture or compound by chemical or physical or mechanical means.

编辑:勒罗伊--From WordNet

解释:

(n.) The act of extracting, or drawing out; as, the extraction of a tooth, of a bone or an arrow from the body, of a stump from earth, of a passage from a book, of an essence or tincture.

(n.) Derivation from a stock or family; lineage; descent; birth; the stock from which one has descended.

(n.) That which is extracted; extract; essence.

录入:莫伊拉

同义词及近义词：

n. [1]. Drawing out.[2]. Lineage, descent, birth, origin, genealogy, parentage.[3]. (Math.) Determination (of a root).

整理:罗伯塔