Infinitesimal meaning

Infinitesimal means extremely small or minute, to the point of being almost negligible.


Infinitesimal definitions

Word backwards lamisetinifni
Part of speech Adjective
Syllabic division in-fi-ni-tes-i-mal
Plural The plural of infinitesimal is infinitesimals.
Total letters 13
Vogais (3) i,e,a
Consonants (6) n,f,t,s,m,l

Infinitesimal refers to something extremely small or minuscule, often used in mathematics and physics to describe quantities that are closer to zero than any positive real number. In calculus, infinitesimals are used to represent values that are approaching zero but are not actually zero.

Origin of the Term

The term infinitesimal was first introduced by the mathematician and philosopher, Isaac Newton, to describe a quantity that is smaller than any finite quantity but not zero. It comes from the Latin words "infinitus" meaning "unbounded" or "endless," and "esimus" meaning "very small."

Infinitesimals in Mathematics

In mathematics, infinitesimals are used in calculus to define the concept of a limit, derivatives, and integrals. They are essential in the development of calculus as they allow mathematicians to work with quantities that are continuously changing and approaching zero without actually reaching it.

Non-Standard Analysis

Non-standard analysis is a mathematical framework that extends the real numbers to include infinitesimals and infinitely large numbers. This approach was developed by the mathematician Abraham Robinson in the 1960s as an alternative to the more traditional epsilon-delta definition of limits in calculus.

Infinitesimals have also found applications in various other fields such as physics, economics, and engineering. In physics, they are used to describe the behavior of systems at the quantum level, where classical physics breaks down due to the small scale of interactions.

Overall, infinitesimals play a crucial role in modern mathematics and science, allowing researchers to study phenomena that would otherwise be impossible to analyze using conventional methods. Their unique properties and applications continue to intrigue mathematicians and scientists alike, making them a fundamental concept in many areas of study.


Infinitesimal Examples

  1. The chances of winning the lottery are infinitesimal.
  2. The impact of one person's actions may seem infinitesimal in the grand scheme of things.
  3. In calculus, an infinitesimal is a variable that is infinitely small.
  4. The difference in weight between the two options was infinitesimal.
  5. Even an infinitesimal error in the data could lead to significant consequences.
  6. The number of atoms in a single drop of water is infinitesimal.
  7. The infinitesimal size of nanoparticles allows them to penetrate cell membranes.
  8. The infinitesimal gap between the two pieces made the puzzle challenging to solve.
  9. Scientists study infinitesimal particles to better understand the universe.
  10. The infinitesimal details of the painting revealed the artist's skill.


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  • Updated 10/05/2024 - 15:46:26