massless Definition

graviton, bosons, boson, fermion, fermions, gluons, gluon, nucleon, subatomic, superfluid, electroweak, antiparticle, soliton, quantized, antineutrino, hadron, diatomic, supersolid, icosahedral, quasiparticle, spheroidal, antigravity, dipolar, filamentary, blackbody, jovian, asteroidal, planetesimal, diamagnetic, submicroscopic, circumstellar, antiproton, inhomogeneous, quasicrystal, prokaryote, antiquark, diffusive, dynamical, antiferromagnetic, unreactive, thulium, interphase, isomorphic, einsteinian, nonconducting, gauge boson, nonpolar, nematic, superconductive, tetrahedral, chondrite, dimensionless, nonzero, invariant, spherical, hyperfine, intramolecular, nonmagnetic, stereochemical, geosphere, anthropic, nebular, corpuscular, isomeric, positron, asymptotic, unicellular, weak force, strong force, acyclic, unobservable, pyroelectric, isotropic, superposed, antiparallel, entropy, earthlike, spinous, totipotent, color force, fundamental particle, anechoic, heterochromatic, tetragonal, aperiodic, saturable, unpolarized, crystallite, spicule, astrophysical, lightspeed, calorimetric, sidereal, flagellar, extragalactic, organometallic, neptunian, lagrangian, allyl, graspable,