The photon is a massless particle.
Source: wiktionary
Massless
//ˈmæs.ləs//
Synonyms for "massless"
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Translations
4 translations across 4 languages.
Chinese Mandarin
1 entries- 無質量 /无质量 adj (having no mass)
Finnish
1 entries- massaton adj (having no mass)
German
1 entries- masselos adj (having no mass)
Russian
1 entries- безма́ссовый adj (having no mass)
Sample sentences
2 total sentences available.
On the other hand, Pauli had just proposed a massless, chargeless, colorless, flavorless particle whose sole reason for existence was to preserve the principle of momentum conservation.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.