Of or relating to the atom, the smallest particle of a chemical element that retains its chemical propertiesAtomic physics, the study of the atomAtomic Age, also known as the "Atomic Era"Atomic scale, distances comparable to the dimensions of an atomAtom (order theory), in mathematicsAtomic (cocktail), a champagne cocktailAtomic (magazine), an Australian computing and technology magazineAtomic Skis, an Austrian ski producer reference