Democritean
/dɪˌmɒkrɪˈtiːən/Ancient Greek Philos.
adjective
Of, relating to, or characteristic of Democritus or his philosophy, especially his atomic theory of matter.
noun
A follower or adherent of Democritus or his philosophy or theories.
Origin
Early 17th century; earliest use found in Philemon Holland (1552–1637), translator. From classical Latin Dēmocritēus (also Dēmocritīus) of or attached to Democritus (from Hellenistic Greek Δημοκρίτειος of or relating to Democritus from ancient Greek Δημόκριτος (classical Latin Dēmocritus) Democritus, the name of an ancient Greek philosopher of the 5th and early 4th centuries b.c. + -ειος, suffix forming adjectives) + -an.