Definition of "axiom" in English

noun

1. (philosophy) A seemingly self-evident or necessary truth which is based on assumption; a principle or proposition which cannot actually be proved or disproved.

   • Near-synonyms: given, facticity

2. (logic, mathematics, proof theory) A fundamental assumption that serves as a basis for deduction of theorems; a postulate (sometimes distinguished from postulates as being universally applicable, whereas postulates are particular to a certain science or context).

   • Holonym: formal system
   • Near-synonyms: given, facticity

3. An established principle in some artistic practice or science that is universally received.

   • The axioms of political economy cannot be considered absolute truths.