from The American Heritage® Dictionary of the English Language, 4th Edition
- Heraclitus fl. 500 B.C. Early Greek philosopher who maintained that strife and change are the natural conditions of the universe.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. An ancient Greek philosopher.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a presocratic Greek philosopher who said that fire is the origin of all things and that permanence is an illusion as all things are in perpetual flux (circa 500 BC)
From Latin Hēraclītus, from Ancient Greek Ἡράκλειτος (Hērakleitos). (Wiktionary)