Metaphysics - Wikipedia, the free encyclopedia "Metaphysics (Greek words meta = after/beyond and physics = nature) is a branch of philosophy concerned with the study of 'first principles' and 'being' (ontology). Metaphysics as a discipline was a central part of academic inquiry and scholarly education since before the age in which Aristotle coined the word. Long considered 'the Queen of Sciences', its issues were considered no less important than the other main formal subjects of physical science, medicine, mathematics, poetics and music. ..."