# septuagintillion

> English word · Numeral

## Definitions
1. 10²¹³.

## Etymology
From Latin septuāgintā + -illion. Coined by Alfred Holbrook Alfred Holbrook, a principal of South-Western Normal School in Lebanon, Ohio, in 1859 (see the quotation).

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