# Rydberg molecule

> English word · Noun

## Definitions
1. A molecule, especially one consisting of two atoms of the same element, that has a permanent dipole because one of the atoms is in a very high excited state.

## Etymology
Named after the Swedish physicist Johannes Rydberg.

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