monad

Definitions of monad
  1. noun
    a singular metaphysical entity from which material properties are said to derive
    synonyms: monas
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    type of:
    1, I, ace, one, single, unity
    the smallest whole number or a numeral representing this number
  2. noun
    (biology) a single-celled microorganism (especially a flagellate protozoan)
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    type of:
    micro-organism, microorganism
    any organism of microscopic size
  3. noun
    (chemistry) an atom having a valence of one
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    type of:
    atom
    (physics and chemistry) the smallest component of an element having the chemical properties of the element
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