Meaning of abstraction

Definition of abstraction

(noun) a concept or idea not associated with any specific instance; "he loved her only in the abstract--not in person"
the act of withdrawing or removing something
the process of formulating general concepts by abstracting common properties of instances
preoccupation with something to the exclusion of all else
a general concept formed by extracting common features from specific examples

Other information on abstraction

WIKIPEDIA results for abstraction
Amazon results for abstraction