# nonstandard analysis

> English word · Noun

## Definitions
1. Analysis founded upon the hyperreal number system, i.e., which formally defines and uses infinitesimals, especially differentials.

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