Definition of Heraclitus in US English:

Heraclitus

proper noun

  • (c.500 BC), Greek philosopher. He believed that fire is the origin of all things and that permanence is an illusion, everything being in a process of constant change.

Pronunciation

Heraclitus

/ˌherəˈklīdəs//ˌhɛrəˈklaɪdəs/