We found 21 dictionaries that define the word cosmic dust:

General (16 matching dictionaries)

1. cosmic dust: Merriam-Webster
2. cosmic dust: Oxford Learner's Dictionaries
3. cosmic dust: American Heritage Dictionary of the English Language
4. cosmic dust: Collins English Dictionary
5. cosmic dust: Vocabulary.com
6. cosmic dust: Wiktionary
7. cosmic dust: The Wordsmyth English Dictionary-Thesaurus
8. cosmic dust: Infoplease Dictionary
9. cosmic dust: Dictionary.com
10. Cosmic Dust (band), Cosmic dust: Wikipedia, the Free Encyclopedia
11. cosmic dust: Rhymezone
12. cosmic dust: FreeDictionary.org
13. cosmic dust: Mnemonic Dictionary
14. cosmic dust: TheFreeDictionary.com

Computing (1 matching dictionary)

15. cosmic dust: Encyclopedia

Medicine (2 matching dictionaries)

16. Medical Dictionary (No longer online)
17. online medical dictionary (No longer online)

Science (1 matching dictionary)

18. Cosmic Dust: Eric Weisstein's World of Astronomy

Tech (1 matching dictionary)

19. Glossary of Meteorology (No longer online)

(Note: See cosmic_dusts as well.)

Definitions from Wiktionary (cosmic dust) ▸ noun:  Dust which exists in outer space or has fallen from outer space to Earth. Similar: space dust, cosmic ray, cosmic background radiation, cosmic radiation, cosmic web, dusty plasma, cosmoparticle, interstellar polarization, astroparticle, cosmic string, more... Opposite: cosmic matter, celestial matter, space debris Phrases: a cloud of gas and cosmic dust, more... Adjectives: dusty, stour, nib, duff, ground, cindery, moted, powdered, dustlike, powdery, sawdusty ▸ Words similar to cosmic dust ▸ Usage examples for cosmic dust ▸ Idioms related to cosmic dust ▸ Wikipedia articles (New!) ▸ Words that often appear near cosmic dust ▸ Rhymes of cosmic dust ▸ Invented words related to cosmic dust