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Forbush decrease

[fawr-boo sh]
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noun Astronomy.
  1. the sudden decrease in the intensity of cosmic rays after an increase in solar activity.

Origin of Forbush decrease

after Scott E. Forbush (born 1904), U.S. physicist
Also called Forbush effect.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018