# nonavalent

> English word · Adjective

## Definitions
1. Having an atomic valence of 9.
2. Having a vaccine valence of 9.

## Etymology
From nona- + -valent.

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