Monad may refer to:

Philosophy and religion Monad (philosophy), a term meaning "unit" Monism, the concept of "one essence" in the metaphysical and theological theory Monad (Gnosticism), the most primal aspect of God in Gnosticism Great Monad, an older name for the taijitu symbol

Mathematics, science and technology Monad (biology), a historical term for a simple unicellular organism Monad (category theory), a construction in category theory Monad (functional programming), constructs that capture various notions of computation Monad (homological algebra), a 3-term complex Monad (nonstandard analysis), the set of points infinitesimally close to a given point

Media and arts

Books Monadologia Physica, by Immanuel Kant La Monadologie, by Gottfried Leibniz, about a basic unit of perceptual reality Monas Hieroglyphica, 1564, by John Dee, describing a symbol of his own invention

Fictional entities Monads, megastructures in Robert Silverberg's 1971 novel The World Inside Monad Proxy, a character in the 2006 anime series Ergo Proxy John Monad, the title character of the 2007 television series John from Cincinnati Monad/Monado, a sword in the 2010 videogame Xenoblade Chronicles

Other uses in media and arts Monad (music), a single note or pitch

Organizations and brands Monad University, in Hapur, Uttar Pradesh, India Monad shell, the code name for the PowerShell command line interface for Microsoft Windows

Other uses The emblem of the technocracy movement

See also Dyad (disambiguation) Monade Monadic (disambiguation) Monoid, in abstract algebra , for titles starting "Monad" or "Monadic"