indivisible

indivisible
    adj 1: impossible of undergoing division; "an indivisible union
           of states"; "one nation indivisible" [ant: {divisible}]
    

Indivisible \In`di*vis"i*ble\, n.
   1. That which is indivisible.
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            By atom, nobody will imagine we intend to express a
            perfect indivisible, but only the least sort of
            natural bodies.                       --Digby.
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   2. (Geom.) An infinitely small quantity which is assumed to
      admit of no further division.
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   {Method of indivisibles}, a kind of calculus, formerly in
      use, in which lines were considered as made up of an
      infinite number of points; surfaces, as made up of an
      infinite number of lines; and volumes, as made up of an
      infinite number of surfaces.
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Indivisible \In`di*vis"i*ble\, a. [L. indivisibilis: cf. F.
   indivisible. See {In-} not, and {Divisible}.]
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   1. Not divisible; incapable of being divided, separated, or
      broken; not separable into parts. "One indivisible point
      of time." --Dryden.
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   2. (Math.) Not capable of exact division, as one quantity by
      another; incommensurable.
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67 Moby Thesaurus words for "indivisible":
      a certain, an, any, any one, atomic, austere, bare, basic,
      bound up in, bound up with, chaste, coherent, cohesive, either,
      elementary, essential, exclusive, fundamental, homely, homespun,
      homogeneous, impartible, inalienable, indiscerptible, indissoluble,
      indissolvable, individual, infrangible, infusible, inseparable,
      insoluble, integral, irreducible, lone, mere, monadic, monistic,
      monolithic, of a piece, one, plain, primal, primary, pure,
      pure and simple, severe, simon-pure, simple, single, singular,
      sole, solid, solitary, spare, stark, unadorned, unanalyzable,
      uncluttered, undifferenced, undifferentiated, undividable,
      undivided, unified, uniform, unique, unitary, whole