# infinitesimal

> English word · Adjective · IPA /ˌɪnfɪnɪˈtɛsɪməl/ · frequency rank #45,449

## Definitions
1. Incalculably, exceedingly, or immeasurably minute; vanishingly small.
2. Of or pertaining to non-zero quantities whose magnitude is less than any positive rational number.
3. Very small.

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

## Common misspellings (19)
`ifninitesimal`, `inffinitesimal`, `infiintesimal`, `infinietsimal`, `infiniteismal`, `infinitesiaml`, `infinitesimall`, `infinitesimla`, `infinitesimmal`, `infinitesmial`, `infinitessimal`, `infinitseimal`, `infinittesimal`, `infinnitesimal`, `infintiesimal`, `infniitesimal`, `inifnitesimal`, `innfinitesimal`, `nifinitesimal`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/infinitesimal