We found 3 dictionaries that define the word cosmic radiations:

General (3 matching dictionaries)

1. cosmic radiations: Merriam-Webster
2. cosmic radiations: Collins English Dictionary
3. cosmic radiations: Vocabulary.com

(Note: See cosmic_radiation as well.)

Definitions from Wiktionary (cosmic radiation) ▸ noun:  (astronomy) Cosmic rays collectively. ▸ Also see cosmic_radiation Types: gammrays, x-rays, ultraviolet rays, visible light, infrared radiation, microwaves, radio waves, more... ▸ Words similar to cosmic radiations ▸ Usage examples for cosmic radiations ▸ Idioms related to cosmic radiations ▸ Wikipedia articles (New!) ▸ Words that often appear near cosmic radiations ▸ Rhymes of cosmic radiations ▸ Invented words related to cosmic radiations