from The American Heritage® Dictionary of the English Language, 4th Edition
- Democritus Known as "the Laughing Philosopher.” 460?-370? B.C. Greek philosopher who developed one of the first atomist theories of the universe and espoused the doctrine that pleasure, along with self-control, is the goal of human life.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A Greek philosopher (c.460-c.370 BC). The originator of the atomic theory together with his teacher Leucippus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. Greek philosopher who developed an atomistic theory of matter (460-370 BC)
From Ancient Greek Δημόκριτος (Dēmokritos). (Wiktionary)