metaphysics
n functioning as sing
1 the branch of philosophy that deals with first principles, esp. of being and knowing
2 the philosophical study of the nature of reality, concerned with such questions as the existence of God, the external world, etc.
3 See →
descriptive metaphysics
4 (popularly) abstract or subtle discussion or reasoning (C16: from Medieval Latin, from Greek ta meta ta phusika the things after the physics, from the arrangement of the subjects treated in the works of Aristotle) ♦
metaphysician ♦
metaphysicist n
descriptive metaphysics
n functioning as sing the philosophical study of the structure of how we think about the world