infinitesimal

n. உறுநுண் அளவு, மிகச் சிறிய அளவை, (பெயஹீரடை) மிக நுண்ணிய, உறு நுணுக்கமான.

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In`fin*i*tes"i*mal, a. Etym: [Cf. F. infinitésimal, fr. infinitésime infinitely small, fr. L. infinitus. See Infinite, a.] Defn: 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. In`fin*i*tes"i*mal, n. (Math.) Defn: An infinitely small quantity; that which is less than any assignable quantity.