Wiktionary
submolecular
a. Below the molecular scale; smaller than a molecule
Usage examples of "submolecular".
In five, it was unanticipated complexities in the mechanics of submolecular crystallization.
Our research, of course, began in the submolecular realm, trying to find out if in some way the brain cells were able to make changes in the atom, in the arrangement of protons and neutrons, or some information somehow encoded in the behavior of electrons.
The work was on the submolecular level, the very bases on animate being.
The modern world had begun with the Age of Submolecular Control, which was followed by the present age of Direct Control.