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definitions

strange particle

noun Physics.

any elementary particle with a strangeness quantum number other than zero.

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Nearby words

  1. strange,
  2. strange attractor,
  3. strange bedfellows,
  4. strange interlude,
  5. strange matter,
  6. strange quark,
  7. strange star,
  8. strange to say,
  9. strangely,
  10. strangeness

Origin of strange particle

First recorded in 1955–60; originally so called because of the anomalously long decay time of such particles
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for strange particle

strange particle

Any of various unstable elementary particles, having a short half-life and a nonzero strangeness quantum number. Sigma and xi baryons, for example, are strange particles.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.