a concept or idea not associated with any specific instance
同义词:abstract
the act of withdrawing or removing something
the process of formulating general concepts by abstracting common properties of instances
同义词:generalization, generalisation
an abstract painting
preoccupation with something to the exclusion of all else
同义词:abstractedness
a general concept formed by extracting common features from specific examples
abstraction例句
The direct address of an absent or imaginary person or of a personified abstraction, especially as a digression in the course of a speech or composition.