- any simple, single-celled organism.
- 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).
- (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.
- (in the philosophy of Giordano Bruno) a basic and irreducible metaphysical unit that is spatially and psychically individuated.
- any basic metaphysical entity, especially having an autonomous life.
- a single unit or entity.
Origin of monad
Examples from the Web for monad
Is the Pythagorean image of the harmony, or that of the monad, the truer expression?Phaedo
Pythagoras held that the unit or monad is the principle and end of all.Three Thousand Years of Mental Healing
George Barton Cutten
In what then do these unities differ from the Uniqueness (or Monad)?Plotinos: Complete Works, v. 2
By wanting to be, the monad makes itself the elephant, the eagle, or the man.Exotics and Retrospectives
There is nothing of caprice, of peculiarity, in the content of the monad.
- plural -ads or -ades (-əˌdiːz) philosophy
- any fundamental singular metaphysical entity, esp if autonomous
- (in the metaphysics of Leibnitz) a simple indestructible nonspatial element regarded as the unit of which reality consists
- (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
Word Origin and History for monad
"unity, arithmetical unit," 1610s, from Late Latin monas (genitive monadis), from Greek monas "unit," from monos "alone" (see mono-). In Leibnitz's philosophy, "an ultimate unit of being" (1748). Related: Monadic.
- An atom or a radical with a valence of 1.
- A single-celled microorganism, especially a protozoan of the genus Monas.
- Any of the four chromatids of a tetrad that, after the first and second meiotic divisions, separate to become the chromosomal material in each of the four daughter cells.