extraction
/ɪkˈstrækʃən/noun
mass noun
1
- the action of taking out something, especially using effort or force取出; 拔出; 提取; 采掘：
mineral extraction
采矿
count noun a dental extraction拔牙。
2
- with adj. the ethnic origin of someone's family家世, 祖系; 血统：
a worker of Polish extraction.
一位波兰血统的工人。
词源
late Middle English: via Old French from late Latin extractio（n-）, from Latin extrahere 'draw out' （see EXTRACT）.