# e-folding

> English word · Noun

## Definitions
1. The time interval in which an exponentially growing quantity increases by a factor of e.

## Etymology
From e + folding.

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