# nonagintillion

> English word · Numeral

## Definitions
1. 10²⁷³.

## Etymology
From Latin nōnāgintā + -illion. Coined by author and logologist Dmitri Borgmann in his 1965 book Language on Vacation (see the quotation). Different forms (such as ninogintillion and novengentillion) were coined earlier by various authors.

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