We found 19 dictionaries that define the word red dwarf:

General (13 matching dictionaries)

1. red dwarf: Merriam-Webster
2. red dwarf: Oxford Learner's Dictionaries
3. red dwarf: Collins English Dictionary
4. red dwarf: Vocabulary.com
5. red dwarf: Wiktionary
6. red dwarf: The Wordsmyth English Dictionary-Thesaurus
7. red dwarf: Infoplease Dictionary
8. red dwarf: Dictionary.com
9. Red Dwarf (Series 2), Red Dwarf (TV series), Red Dwarf (book), Red Dwarf (science fiction series), Red Dwarf (series X), Red Dwarf, Red dwarf, The Red Dwarf (film): Wikipedia, the Free Encyclopedia
10. red dwarf: Rhymezone
11. red dwarf: FreeDictionary.org
12. red dwarf: Mnemonic Dictionary
13. red dwarf: TheFreeDictionary.com

Computing (1 matching dictionary)

14. red dwarf: Encyclopedia

Science (4 matching dictionaries)

15. Red Dwarf: Eric Weisstein's World of Astronomy
16. Red Dwarf: Eric Weisstein's World of Physics
17. Red Dwarf: Extragalactic Astronomy
18. RED DWARF: Zoom Astronomy Glossary

Tech (1 matching dictionary)

19. Basics of Space Flight Glossary (No longer online)

(Note: See red_dwarfs as well.)

Definitions from Wiktionary (red dwarf) ▸ noun:  (astronomy) A small, relatively cool star of the main sequence. Similar: red dwarf star, red giant, radio star, Rigel, Wolf-Rayet star, red clump, red spiral galaxy, small "r" republican, red spiral, small r republican, more... Types: M, K, G, F, A, B, O, L, T, Y, more... Phrases: red dwarf star, Habitability of red dwarf systems, Red Dwarf X, more... Adjectives: circumbinary, early, sm, elliptical, giant, stellular, sn, binary, sc, intercloud, globular ▸ Words similar to red dwarf ▸ Usage examples for red dwarf ▸ Idioms related to red dwarf ▸ Wikipedia articles (New!) ▸ Words that often appear near red dwarf ▸ Rhymes of red dwarf ▸ Invented words related to red dwarf