This is called the stateless state, the image of no thing; this is called mental abstraction.
Nikel's style was a form of expressionistic abstraction sometimes called lyrical abstraction.
It has been called abstraction with a conscience.
Greenberg, with prosaic exactitude, called it post-painterly abstraction, but colour field is what has stuck.
The reason why we do not deal with sensible objects in mathematics is because of another faculty of understanding called "categorial abstraction."
It uses an abstraction algorithm called lazy abstraction to build the model from the driver C code.
Perhaps this style could be called "geomorphic abstraction" - though apparently no such term can be found as a stylistic category in art history books.
For several years now, Mr. Dunham has practiced what might be called psychoanalytic abstraction.
In psycholinguistics, learning to respond to similar classes of cues and stimuli in different circumstances is called "abstraction" by Miller (1951).
Using various linguistic and writing systems, working mostly in ink or acrylic on paper, she achieves what might be called abstraction by other means.