We found 33 dictionaries that define the word quasar:

General (23 matching dictionaries)

1. quasar: Longman Dictionary of Contemporary English
2. quasar: Merriam-Webster
3. quasar: Oxford Learner's Dictionaries
4. quasar: American Heritage Dictionary of the English Language
5. quasar: Collins English Dictionary
6. quasar: Vocabulary.com
7. Quasar, quasar: Wordnik
8. quasar: Cambridge Advanced Learner's Dictionary
9. quasar: Wiktionary
10. quasar: Webster's New World College Dictionary, 4th Ed.
11. quasar: The Wordsmyth English Dictionary-Thesaurus
12. quasar: Infoplease Dictionary
13. quasar: Dictionary.com
14. quasar: Online Etymology Dictionary
15. Quasar (Wendell Elvis Vaughn), Quasar (Wendell Vaughn), Quasar (album), Quasar (band), Quasar (brand), Quasar (comics), Quasar (disambiguation), Quasar (motorcycle), Quasar (satellite), Quasar (song): Wikipedia, the Free Encyclopedia
16. quasar: Rhymezone
17. quasar: Stammtisch Beau Fleuve Acronyms
18. quasar: FreeDictionary.org
19. quasar: Mnemonic Dictionary
20. quasar: TheFreeDictionary.com
21. Quasar (video game), Quasar: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

22. quasar: Encyclopedia

Miscellaneous (1 matching dictionary)

23. QUASAR: Acronym Finder

Science (4 matching dictionaries)

24. Quasar: Eric Weisstein's World of Astronomy
25. Imagine the Universe! Dictionary (No longer online)
26. Quasar: Extragalactic Astronomy
27. QUASAR: Zoom Astronomy Glossary

Slang (1 matching dictionary)

28. Quasar: Urban Dictionary

Tech (3 matching dictionaries)

29. High-Energy Astrophysics (No longer online)
30. Basics of Space Flight Glossary (No longer online)
31. Explosives (No longer online)

(Note: See quasars as well.)

Definitions from Wiktionary ( ) ▸ noun:  (astronomy) An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe. Similar: quasi-stellar radio source, apogalacticum, superstar, substar, supergalaxy, star, star cloud, superimmensity, guest star, super-Jupiter, more... Types: radio, radio-loud, radio-quiet, X-ray, X-ray-loud, X-ray-quiet, more... Phrases: large quasar group, twin quasar, Daniel Quasar, Quasar framework, more... Adjectives: distant, double, first, typical, same, single, bright, cygnus, nearest, average, luminous Colors:     electric blue,     cosmic purple,     deep space black,     starlight silver,     ultraviolet, more... ▸ Word origin ▸ Words similar to quasar ▸ Usage examples for quasar ▸ Idioms related to quasar ▸ Wikipedia articles (New!) ▸ Popular adjectives describing quasar ▸ Words that often appear near quasar ▸ Rhymes of quasar ▸ Invented words related to quasar