up quark Hear it!

up quark Definition

up quark

noun

Particle Physics a type of quark with a mass of c. 0.002 to 0.008 GeV/c, a positive charge that is that of an electron, zero charm, and zero strangeness

Browse dictionary entries near up quark

  1. ‹ up-
  2. ‹ up for grabs
  3. ‹ up-bow
  4. ‹ up-and-down
  5. ‹ up-and-coming
  6. ‹ up and around
  7. ‹ up against it
  8. ‹ up
  9. ‹ unzip
  10. ‹ unyoke
  1. up-tempo ›
  2. up to ›
  3. up-to-date ›
  4. up to the ears ›
  5. up with ›
  6. Upanishad ›
  7. upas ›
  8. upbeat ›
  9. upbraid ›
  10. upbringing ›