Abstraction

• 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
• an abstract painting
• abstractedness: preoccupation with something to the exclusion of all else
• a general concept formed by extracting common features from specific examples
• Abstraction is the rendering of the general case from which an instance occurs. It is the process of removing detail to expose the essential features of a particular concept or object. For example, a specific leather soccer ball is an arbitrary instance of the general case of leather balls.
• Sociological Abstraction refers to the varying levels at which theoretical concepts can be understood. This idea is very similar to the philosophical understanding of abstraction.
• Abstraction in mathematics is the process of extracting the underlying essence of a mathematical concept, removing any dependence on real world objects with which it might originally have been connected, and generalising it so that it has wider applications.
• In computer science, abstraction is a mechanism and practice to reduce and factor out details so that one can focus on a few concepts at a time.
• The act of abstracting, separating, or withdrawing, or the state of being withdrawn; withdrawal; The act of leaving out of consideration one or more properties of a complex object so as to attend to others; analysis.
• is the process of picking out common features and deriving essential characteristics from objects and procedure entities that distinguish it from other kinds of entities.
• An abstraction denotes the essential characteristics of an object that distinguish it from all other kinds of objects and thus provides crisply defined conceptual boundaries relative to the perspective of the user.
• The extraction of certain amounts of water from rivers, lakes, estuaries or underground rocks or soil, which is licenced and permitted by the Environment Agency.
• A method of valuing land. The indicated value of the improvement is deducted from the sale price.
• a generalized, condensed, or simplified concept derived from a more complex situation. A part representation of some whole.