noun
In physics, the scientific theory that matter is composed of atoms.
原子論は古代ギリシャに始まり、近代科学で確立された。
Atomic theory began in ancient Greece and was established in modern science.
noun
atomism; atomic theory
In philosophy, the view that the universe consists of indivisible, minute particles.
デモクリトスの原子論は、世界が原子と空虚から成ると説いた。
Democritus's atomism argued that the world consists of atoms and void.