(uncountable) The quality or state of being atomic. / (chemistry) The number of atoms in a molecule.

(biology, mycology) Having a surface covered in tiny shiny particles; powdered.

plural of atomicity

plural of atomism

Archaic form of atomic.

(computing) An atomic operation.

(physics, chemistry) Of or relating to atoms; composed of atoms; monatomic. / Employing or relating to nuclear energy or processes. / Infinitesimally small.

With regard to atoms or atomic energy.

An instrument for reducing a liquid to spray or vapor for disinfecting, cooling, medical use or perfume spraying.

plural of atom