| Answer | Crossword Clue |
|---|---|
| GLUON | Subatomic particle thought to bind quarks together |
| GLUON | Massless subatomic particle believed to bind quarks together |
| gluon | a hypothetical neutral massless particle held to bind together quarks to form hadrons |
| pentaquark | a hypothetical subatomic particle consisting of a group of five quarks (as compared to the usual three quarks) |
| pentaquarks | PENTAQUARK, a hypothetical subatomic particle consisting of a group of five quarks (as compared to the usual three quarks) |
| quarks | subatomic particle thought to form the basis of all matter |
| quark | subatomic particle thought to form the basis of all matter |
