abstraction

noun

1 his style of writing focuses on facts rather than abstractions:

concept, idea, notion, thought, generality, generalization, theory, theorem, formula, hypothesis, speculation, conjecture, supposition, presumption.

▷antonyms fact; material consideration.

2 she sensed his momentary abstraction:

absent-mindedness, distraction, preoccupation, daydreaming, dreaminess, inattentiveness, inattention, wool-gathering, absence, heedlessness, obliviousness;

thoughtfulness, pensiveness, musing, brooding, absorption, engrossment, raptness.

▷antonyms attention.

3 the abstraction of metal from ore:

extraction, removal, separation, detachment.

abstraction Oxford Dictionary of English