subnuclear particle

[suhb-noo-klee-er, -nyoo- or, by metathesis, -kyuh-ler]

noun Physics.

any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.

Nearby words

  1. subnet,
  2. subnitrate,
  3. subnormal,
  4. subnotebook,
  5. subnuclear,
  6. subnucleus,
  7. suboccipital,
  8. suboccipital muscle,
  9. suboccipital nerve,
  10. suboccipitobregmatic diameter

Origin of subnuclear particle

First recorded in 1960–65; sub- + nuclear

Pronunciation note

See nuclear. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019