Infinitesimal

//ˌɪnfɪnɪˈtɛsɪməl// adj, noun, slang

Definitions

Adjective
  1. 1
    Incalculably, exceedingly, or immeasurably minute; vanishingly small.

    "Do you ever get the feeling that you are but an infinitesimal speck, swallowed by the vastness of the universe and beyond?"

  2. 2
    Of or pertaining to non-zero quantities whose magnitude is less than any positive rational number. not-comparable
  3. 3
    Very small. informal
Adjective
  1. 1
    infinitely or immeasurably small wordnet
Noun
  1. 1
    A non-zero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).
  2. 2
    (mathematics) a variable that has zero as its limit wordnet

Etymology

Etymology 1

From New Latin īnfīnītēsimus + -al. Displaced earlier coordinate term fluxion.

Etymology 2

From New Latin īnfīnītēsimus + -al. Displaced earlier coordinate term fluxion.

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