n. a concept or idea not associated with any specific instance
n. the act of withdrawing or removing something
n. the process of formulating general concepts by abstracting common properties of instances
n. an abstract painting
n. 抽象化, 心不在焉, 空想, 提炼, 抽象派作品
[化] 提取; 抽取; 夺取; 夺取反应; 除去