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Meaning of INFINITESIMAL

Pronunciation:  `infini'tesumul

 
WordNet Dictionary
 
 Definition: 
[adj]  infinitely or immeasurably small; "two minute whiplike threads of protoplasm"; "reduced to a microscopic scale"
 

INFINITESIMAL is a 13 letter word that starts with I.

 

 Synonyms: little, microscopic, minute, small
 

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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.
    
    {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.
    
    
  2. \In`fin*i*tes"i*mal\, n. (Math.)
    An infinitely small quantity; that which is less than any
    assignable quantity.
    
    
 
Thesaurus Terms
 
 Related Terms: atomic, corpuscular, embryonic, evanescent, germinal, granular, impalpable, imperceptible, imponderable, inappreciable, indiscernible, intangible, invisible, microcosmic, microscopic, molecular, subatomic, tenuous, thin, ultramicroscopic, unseeable
 

 

 

 

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