Infinitesimal

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Infinitesimal \In`fin*i*tes"i*mal\, a. [Cf. F. infinit['e]simal,
     fr. infinit['e]sime infinitely small, fr. L. infinitus. See
     {Infinite}, a.]
     Infinitely or indefinitely small; less than any assignable
     quantity or value; very small.
     [1913 Webster]


  
     {Infinitesimal calculus}, the different and the integral
        calculus, when developed according to the method used by
        Leibnitz, who regarded the increments given to variables
        as infinitesimal.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Infinitesimal \In`fin*i*tes"i*mal\, n. (Math.)
     An infinitely small quantity; that which is less than any
     assignable quantity.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  infinitesimal
       adj : infinitely or immeasurably small; "two minute whiplike
             threads of protoplasm"; "reduced to a microscopic
             scale" [syn: {minute}, {microscopic}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  21 Moby Thesaurus words for "infinitesimal":
     atomic, corpuscular, embryonic, evanescent, germinal, granular,
     impalpable, imperceptible, imponderable, inappreciable,
     indiscernible, intangible, invisible, microcosmic, microscopic,
     molecular, subatomic, tenuous, thin, ultramicroscopic, unseeable