Answer: atomism

AnswerCrossword Clue
ATOMISM

Lucretius's theory

ATOMISM

Leucippus's theory

ATOMISM

Belief that all things are made of particles

ATOMISM
Particle-based philosophy
ATOMISM
Theory that answers the question "What's the matter?"?
ATOMISMModern theory of the universe.
ATOMISMTheory on makeup of universe.
ATOMISMPhilosophical theory first advanced by Leucippus and Democritus