Monad

Monad may refer to:

Philosophy

• Monad (philosophy), a term meaning "unit" used by philosophers to signify various entities
• Monadology by Gottfried Leibniz
• Monism, the concept of "one essence" in the metaphysical and theological theory
• Monad (Gnosticism), the most primal aspect of God in Gnosticism
• Monadologia Physica, by Immanuel Kant

Science and technology

• Monad (category theory), a construction in category theory
• Monad (functional programming), functional programming constructs that capture various notions of computation
• Monad (linear algebra), a 3-term complex
• Monad (non-standard analysis), the set of points infinitesimally close to a given point
• Monad shell, code name for the PowerShell command line interface for Microsoft Windows
• Monad (biology), a historical term for a simple unicellular organism