Abstraction a. : The act of abstracting, separating, or withdrawing, or the state of being withdrawn; withdrawal.

Abstraction a. : The act process of leaving out of consideration one or more properties of a complex object so as to attend to others; analysis. Thus, when the mind considers the form of a tree by itself, or the color of the leaves as separate from their size or figure, the act is called abstraction. So, also, when it considers whiteness, softness, virtue, existence, as separate from any particular objects.

Abstraction a. : An idea or notion of an abstract, or theoretical nature; as, to fight for mere abstractions.

Abstraction a. : A separation from worldly objects; a recluse life; as, a hermit's abstraction.

Abstraction a. : Absence or absorption of mind; inattention to present objects.

Abstraction a. : The taking surreptitiously for one's own use part of the property of another; purloining.

Abstraction a. : A separation of volatile parts by the act of distillation.

Example:
What is the difference between Abstraction and distortion?

Taxonomy
abstraction, graph, picture, concrete, arrows, mammal, relationships, agent, sensation, intuition, Conceptual graph, define abstraction, free encyclopedia, ellipses, cat sitting, progression, May 18, instances.

Defination from the web:
Abstraction is the process or result of generalization by reducing the information content of a concept or an observable phenomenon, typically to ... Computer scientists use abstraction to understand and solve problems and communicate their solutions with the computer in some ...