Look up monad in Wiktionary, the free dictionary.

Monad may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

in philosphy:

• In Ancient philosophy the term can refer to:
  • Monad (Epicurus), Epicurus described "monads" that were the smallest units of matter, much like Democritus's notion of an atom.
  • Monad (symbol), For many others, including Pythagoras, Parmenides, Xenophanes, Plato, Aristotle, and Plotinus, Monad was a term for God or the first being, or the totality of all beings.
• Monad (Gnosticism), the most primal aspect of God in Gnosticism.
• the concept of "one essence" in the metaphysical and theological theory of Monism.
  • Monadology, a book of philosophy by Gottfried Leibniz in which monads are a basic unit of perceptual reality
  • Physical Monadology by Immanuel Kant also dealt with this topic.
• In Hermetica, (a category of popular Late Antique literature purporting to contain secret wisdom) The Cup or Monad is one of the texts making up the Corpus Hermetica.
• In early biology, the indivisible life essence, either the cell or nucleus.

in mathematics: Epicurus (Greek ) (341 BC, Samos – 270 BC, Athens) was an ancient Greek philosopher and the founder of Epicureanism, a popular school of thought in Hellenistic Philosophy that spanned about 600 years. ... The Pythagorean Monad Monad, according to the Pythagoreans, was a term for God or the first being, or the totality of all beings. ... Within certain variations of Gnosticism, especially those inspired by Monoimus, the Monad was the highest God which created lesser gods, or elements (similar to aeons). ... For other uses, see Monist (disambiguation). ... The Monadology (Monadologie, 1714) is one of Gottfried Leibniz’s works that best define his philosophy, monadism. ... “Kant” redirects here. ... Hermetica refers to a category of popular Late Antique literature purporting to contain secret wisdom, and generally attributed to Hermes Trismegistus. ... Biology studies the variety of life (clockwise from top-left) E. coli, tree fern, gazelle, Goliath beetle Biology (from Greek: βίος, bio, life; and λόγος, logos, knowledge), also referred to as the biological sciences, is the study of living organisms utilizing the scientific method. ...

• Monad (category theory), a type of functor in category theory.
• Monads in functional programming, type constructors that are used in functional programming languages to capture various notions of computation.
• A monadic function or operator may be the same as a unary operator, or one somehow having to do with either of the previous kinds of monad.
  • Monadic predicate calculus is a form of logic based on unary operators.

in music: In category theory, a monad or triple is a type of functor, together with two associated natural transformations. ... Wikibooks Haskell has a page on the topic of Understanding monads Some functional programming languages make use of monads[1] [2] to structure programs which include operations that must be executed in a specific order. ... In mathematics, a unary operation is an operation with only one operand. ... In logic, the monadic predicate calculus is the fragment of predicate calculus in which all predicate letters are monadic (that is, they take only one argument), and there are no function letters. ...

• Monad (music), a single note, in contradistinction to a dyad, triad, tetrad, and so on.

proper names and popular culture: In music, a monad is a single note or pitch. ...

• Monad (Technocracy), the symbol of Technocracy Incorporated and the Technocratic movement of North America from the early 20th century to the present.
• Windows PowerShell, a command line interface for Microsoft Windows code-named "Monad".
• Xmonad, a window manager for the X Window System
• John Monad, title character of the television series John From Cincinnati

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