ab·strac·tion
noun
1. an abstract or general idea or term.
2. the act of considering something as a general quality or characteristic, apart from concrete realities, specific objects, or actual instances.
3. an impractical idea; something visionary and unrealistic.
4. the act of taking away or separating; withdrawal: The sensation of cold is due to the abstraction of heat from our bodies.
5. secret removal, especially theft.