muonium

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|physics|chemistry}} An [[exotic atom]] formed when a positively charged [[muon]] (an [[anti-muon]]) and an [[electron]] are bound by their [[mutual]] [[electrical]] [[attraction]]; chemically [[equivalent]] to a light, short-lived [[isotope]] of [[hydrogen]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.