IPA: /əˈtɒmɪk/
KK: /əˈtɑːmɪk/
Relating to atoms or nuclear energy; very small in size.
The scientist explained the principles of atomic energy during the lecture.
Atomic → It is formed from "atomos" (from Greek, meaning indivisible) and the suffix "-ic" (meaning pertaining to). The word "atomic" refers to something that is related to or characteristic of atoms, which are the indivisible units of matter.
Think of the Greek word 'atomos' meaning indivisible, and remember that 'atomic' relates to the smallest units of matter.