atomism

noun

(philosophy) The ancient Greek theory that all matter is composed of very small indestructible and indivisible particles.

Atomism is a philosophical theory that states that all things are composed of indivisible particles called atoms.

意味（1）

(philosophy) The ancient Greek theory that all matter is composed of very small indestructible and indivisible particles.

意味（2）

(philosophy) The doctrine that society arises from individuals and that larger structures are unimportant.