luxon

Fetched 2026-10-26 (cache).

Synonyms: lexon, fluxon, lumon, huxon, luxor, luzon, luton, luxton, luxo, lupon, lucon

Antonyms: lexon, fluxon, lumon, huxon, luxor, luzon, luton, luxton, luxo, lupon, lucon

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics}} Any [[particle]] that travels at exactly the [[speed of light]] and has zero [[mass]]: typically a [[photon]].

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