Infinitesimally is a derived term of infinitesimal.
As a adverb infinitesimally
is in an infinitesimal manner.
As a adjective infinitesimal is
incalculably, exceedingly, or immeasurably minute; vanishingly small.
As a noun infinitesimal is
(mathematics) a nonzero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).
Other Comparisons: What's the difference?
infinitesimally English
Adverb
( en adverb)
In an infinitesimal manner.
To an infinitesimal degree.

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 nonzero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).
Antonyms
* infinity
Derived terms
* infinitesimal calculus
* infinitesimally
