charmonium

noun 0.761

strange quark

noun 0.656

pentaquark

noun 0.640

quark

noun 0.632

antiquark

noun 0.626

positronium

noun 0.619

down quark

noun 0.610

up quark

noun 0.606

top quark

noun 0.588

quantum chromodynamics

noun 0.588

muonium

noun 0.574

bottom quark

noun 0.572

charm quark

noun 0.572

antibaryon

noun 0.560

baryon

noun 0.554

hadron

noun 0.542

quasiparticle

noun 0.532

quantic

noun 0.532

quinonoid

noun 0.531

fermion

noun 0.529

quadrupole

noun 0.518

hyperon

noun 0.517

phonon

noun 0.516

quaternion

noun 0.515

antihydrogen

noun 0.514

qubit

noun 0.514

quasicrystal

noun 0.512

meson

noun 0.505

exciton

noun 0.503

quasispecies

noun 0.502

semiquinone

noun 0.501

strange matter

noun 0.500