pentaquark

/ (ˈpɛntəˌkwɑːk) /

noun

physics a postulated subatomic particle consisting of four quarks and one antiquark, thought not to exist in actuality

Nearby words

  1. pentapiperium methylsulfate,
  2. pentaploid,
  3. pentapody,
  4. pentaprism,
  5. pentaptych,
  6. pentaquine,
  7. pentarchy,
  8. pentastich,
  9. pentastome,
  10. pentastomid

Word Origin for pentaquark

C21

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012