abstraction
- n. 抽象；提取；抽象概念；空想；心不在焉
英英释意
- 1. a concept or idea not associated with any specific instance;
- "he loved her only in the abstract--not in person"
- 2. the act of withdrawing or removing something
- 3. the process of formulating general concepts by abstracting common properties of instances
- 4. an abstract painting
- 5. preoccupation with something to the exclusion of all else
- 6. a general concept formed by extracting common features from specific examples