massless
English
Etymology
Pronunciation
- Lua error in Module:parameters at line 360: Parameter 1 should be a valid language or etymology language code; the value "US" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /ˈmæsləs/
Adjective
massless (not comparable)
- Having no mass.
- The photon is a massless particle.