We found 20 dictionaries that define the word facula:

General (16 matching dictionaries)

1. facula: Merriam-Webster
2. facula: Oxford Learner's Dictionaries
3. facula: American Heritage Dictionary of the English Language
4. facula: Collins English Dictionary
5. facula: Vocabulary.com
6. facula: Wordnik
7. facula: Wiktionary
8. facula: The Wordsmyth English Dictionary-Thesaurus
9. facula: Infoplease Dictionary
10. facula: Dictionary.com
11. Facula: Wikipedia, the Free Encyclopedia
12. facula: Rhymezone
13. facula: FreeDictionary.org
14. facula: The Phrontistery - A Dictionary of Obscure Words
15. facula: Mnemonic Dictionary
16. facula: TheFreeDictionary.com

Computing (1 matching dictionary)

17. facula: Encyclopedia

Science (1 matching dictionary)

18. facula: Nine Planets Glossary

Tech (2 matching dictionaries)

19. National Weather Service Glossary (No longer online)
20. SOLAR-TERRESTRIAL TERMS (No longer online)

(Note: See faculae as well.)

Definitions from Wiktionary (facula) ▸ noun:  (astronomy) A bright spot or patch between sunspots. Similar: flocculus, fossa, fossula, freckle, facet, fenestrum, fleck, foveole, flexus, fonticulus, more... Types: solar flare, sunspot, coronal hole, sunspot group, sunspot pair, sunspot triplet, sunspot quintet, more... ▸ Words similar to facula ▸ Usage examples for facula ▸ Idioms related to facula ▸ Wikipedia articles (New!) ▸ Popular adjectives describing facula ▸ Words that often appear near facula ▸ Rhymes of facula ▸ Invented words related to facula