'abstraction' definitions:

Definition of 'abstraction'

From: WordNet
noun
A concept or idea not associated with any specific instance; "he loved her only in the abstract--not in person" [syn: abstraction, abstract]
noun
The act of withdrawing or removing something
noun
The process of formulating general concepts by abstracting common properties of instances [syn: abstraction, generalization, generalisation]
noun
An abstract painting
noun
Preoccupation with something to the exclusion of all else [syn: abstractedness, abstraction]
noun
A general concept formed by extracting common features from specific examples [syn: abstraction, abstract entity]

Synonyms of 'abstraction'

From: Moby Thesaurus