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monad

[ mon-ad, moh-nad ]
/ ˈmɒn æd, ˈmoʊ næd /
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noun
Biology.
  1. any simple, single-celled organism.
  2. any of various small, flagellate, colorless ameboids with one to three flagella, especially of the genus Monas.
Chemistry. an element, atom, or group having a valence of one.Compare dyad (def. 3), triad (def. 2a).
Philosophy.
  1. (in the metaphysics of Leibniz) an unextended, indivisible, and indestructible entity that is the basic or ultimate constituent of the universe and a microcosm of it.
  2. (in the philosophy of Giordano Bruno) a basic and irreducible metaphysical unit that is spatially and psychically individuated.
  3. any basic metaphysical entity, especially having an autonomous life.
a single unit or entity.
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Origin of monad

First recorded in 1605–15; from Late Latin monad- (stem of monas), from Greek monás (stem monád- ) “unity, monad”; see mon-, -ad1

OTHER WORDS FROM monad

mo·nad·ic [muh-nad-ik], /məˈnæd ɪk/, mo·nad·i·cal, mo·nad·al, adjectivemo·nad·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use monad in a sentence

British Dictionary definitions for monad

monad
/ (ˈmɒnæd, ˈməʊ-) /

noun
plural -ads or -ades (-əˌdiːz) philosophy
  1. any fundamental singular metaphysical entity, esp if autonomous
  2. (in the metaphysics of Leibnitz) a simple indestructible nonspatial element regarded as the unit of which reality consists
  3. (in the pantheistic philosophy of Giordano Bruno) a fundamental metaphysical unit that is spatially extended and psychically aware
a single-celled organism, esp a flagellate protozoan
an atom, ion, or radical with a valency of one
Also called (for senses 1, 2): monas

Derived forms of monad

monadical, adjectivemonadically, adverb

Word Origin for monad

C17: from Late Latin monas, from Greek: unit, from monos alone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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