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Infinitesimal vs Ultrasmall - What's the difference?

infinitesimal | ultrasmall | Synonyms |

Infinitesimal is a synonym of ultrasmall.


As adjectives the difference between infinitesimal and ultrasmall

is that infinitesimal is infinitesimal while ultrasmall is extremely or exceedingly small.

infinitesimal

English

Adjective

(en adjective)
  • Incalculably, exceedingly, or immeasurably minute; vanishingly small.
  • *
  • (mathematics) Of or pertaining to values that approach zero as a limit.
  • (informal) Very small.

    • Usage notes

    * Strictly, this adjective, like infinite, is incomparable, so more infinitesimal' and '''most infinitesimal are proscribed, especially in the mathematical sense. However, these forms do occur in informal usage, where the ''very small (but measurable) sense is most common.

    Synonyms

    * See also

    Antonyms

    * infinite * enormous

    Noun

    (wikipedia infinitesimal) (en noun)
  • (mathematics) A non-zero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).

    • Antonyms

    * infinity

    Derived terms

    * infinitesimal calculus * infinitesimally

    ultrasmall

    English

    Adjective

    (-)
  • Extremely or exceedingly small
  • *{{quote-news, 2009, January 13, John Markoff, A Breakthrough in Imaging: Seeing a Virus in Three Dimensions, New York Times citation
    • , passage=Magnetic resonance force microscopy employs an ultrasmall cantilever arm as a platform for specimens that are then moved in and out of proximity to a tiny magnet. }}

    Synonyms

    *infinitesimal

    Related terms

    *supersmall