Quick definitions from WordNet (abstraction)
▸ noun: a general concept formed by extracting common features from specific examples
▸ noun: the act of withdrawing or removing something
▸ noun: an abstract painting
▸ noun: the process of formulating general concepts by abstracting common properties of instances
▸ noun: a concept or idea not associated with any specific instance
▸ noun: preoccupation with something to the exclusion of all else
▸ Also see abstraction
▸ noun: a general concept formed by extracting common features from specific examples
▸ noun: the act of withdrawing or removing something
▸ noun: an abstract painting
▸ noun: the process of formulating general concepts by abstracting common properties of instances
▸ noun: a concept or idea not associated with any specific instance
▸ noun: preoccupation with something to the exclusion of all else
▸ Also see abstraction