definition of
abstraction

[1] #1 abstraction n. [abstract] a concept or idea not associated with any specific instance; "he loved her only in the abstract--not in person". wn

[2] #2 abstraction n. the act of withdrawing or removing something. wn

[3] #3 abstraction n. [generalization, generalisation] the process of formulating general concepts by abstracting common properties of instances. wn

[4] #4 abstraction n. an abstract painting. wn

[5] #5 abstraction n. [abstractedness] preoccupation with something to the exclusion of all else. wn