English Explanatory Dictionary

cosmic ray

English dictionary entry

Meanings

noun
  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.)

Pronunciation

LL-Q1860 (eng)-Flame, not lame-cosmic ray.wav

Word forms

cosmic ray cosmic rays

Related words

cosmic background cosmic background radiation alpha ray beta ray gamma ray
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on C Russian dictionary Dahl dictionary