Word.ws English Dictionary

cosmic rays

cosmic rays is the plural of cosmic ray.

Meaning of cosmic ray

Noun

cosmic ray (plural cosmic rays)

  1. Any of a range of subatomic particles, and thus also electromagnetic waves, that permeate the universe owing to their various origins within stars or from collisions outside stars. (Life on Earth is mostly shielded from them by the Earth's magnetic field, but a small amount strikes us all each day.)
    • Holonym: radiation

Questions about cosmic rays

What is cosmic rays the plural of?
Cosmic rays is the plural of cosmic ray.

Words near cosmic rays in the dictionary

  1. cosmic microwave background
  2. cosmic neutrino background
  3. Cosmic Owl
  4. cosmic radiation
  5. cosmic ray
  6. cosmic rays
  7. cosmic singularities
  8. cosmic singularity
  9. cosmic string
  10. cosmic strings
  11. cosmic teapot

Source and license

Adapted from Wiktionary: cosmic rays (page history and authors); cosmic ray (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “cosmic rays.” Word.ws, https://word.ws/cosmic_rays. Based on Wiktionary, CC BY-SA 4.0.