Adjective
Democritean (not comparable)
Of or relating to Democritus, an ancient Greek philosopher noted for his atomic theory.
Epicurus for the most part follows Democritean atomism but differs in proclaiming the clinamen (swerve or declination). Source: Internet
See testimonia DK 68 A 80, DK 68 A 37 and DK 68 A 43. See also citation The Democritean atom is an inert solid (merely excluding other bodies from its volume) that interacts with other atoms mechanically. Source: Internet