A philosophical doctrine suggesting that the fundamental nature of reality is composed of indivisible units or atoms.
परमाणिकता
English Usage: The atomism proposed by ancient philosophers laid the groundwork for modern atomic theory.
Hindi Usage: प्राचीन दार्शनिकों द्वारा प्रस्तावित परमाणिकता ने आधुनिक परमाणु सिद्धांत की नींव रखी।