Definitions

1. adjective

relating to or based on the idea that everything in the universe is composed of atoms, or relating to the study of atoms and their properties.

“The atomistic view of the universe is a fundamental concept in modern physics.”

2. noun

a theory or system of thought based on the idea that everything in the universe is composed of atoms, or a person who adheres to this theory.

“The scientist’s atomistic views on the nature of reality were highly influential in the scientific community.”