Proper noun.   (c. 585 BC–c. 525 BC) An ancient Greek pre-Socratic philosopher from Miletus; the pupil of Anaximander. He taught that the basic element of which the world is composed is the air.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.