atomist noun.
['atǝmɪst] E17.[formed as ATOMISM + -IST.]An exponent or adherent of the atomism of matter, or of any atomistic theory.
■ J. Healey Of the Atomists, some confound all, making bodies of coherent remaynders. ■ John Phillips Symbols of chemical constitution, on which there is still some want of agreement among atomists. ■ P. F. Strawson Atomists and Positivists alike accepted the skeleton language of the new mathematical logic. [TahlilGaran] English Dictionary ▲