atom

Definition

  • n. (physics and chemistry) the smallest component of an element having the chemical properties of the element
  • n. (nontechnical usage) a tiny piece of anything

Word forms

Plural
atoms

Example sentences

  1. n.

    Everything around us is made up of tiny atoms that are too small to see.

  2. n.

    In physics class, we learned that the atom is the basic unit of matter.