Usually means: Small king; gold refining residue.
Definitions Related words Phrases Mentions History
We found 28 dictionaries that define the word regulus:

General (23 matching dictionaries)
  1. Regulus, regulus: Merriam-Webster
  2. Regulus, Regulus, regulus: Oxford Learner's Dictionaries
  3. Regulus, regulus: American Heritage Dictionary of the English Language
  4. regulus: Collins English Dictionary
  5. Regulus: Vocabulary.com
  6. Regulus, regulus: Wordnik
  7. regulus: Wiktionary
  8. Regulus: Webster's New World College Dictionary, 4th Ed.
  9. Regulus: The Wordsmyth English Dictionary-Thesaurus
  10. regulus: Infoplease Dictionary
  11. Regulus: Dictionary.com
  12. Regulus: Online Etymology Dictionary
  13. Regulus (astronomy), Regulus (bird), Regulus (disambiguation), Regulus (geometry), Regulus (horse), Regulus (ship), Regulus: Wikipedia, the Free Encyclopedia
  14. Regulus: Online Plain Text English Dictionary
  15. regulus: Webster's Revised Unabridged, 1913 Edition
  16. Regulus: Rhymezone
  17. Regulus: AllWords.com Multi-Lingual Dictionary
  18. regulus: Webster's 1828 Dictionary
  19. Regulus: E Cobham Brewer, The Reader's Handbook
  20. regulus: FreeDictionary.org
  21. regulus: The Phrontistery - A Dictionary of Obscure Words
  22. regulus: Mnemonic Dictionary
  23. Regulus: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. Regulus (astronomy), Regulus (genus), regulus: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)
  1. Encyclopedia of Graphic Symbols (No longer online)

Science (2 matching dictionaries)
  1. Regulus: Eric Weisstein's World of Mathematics
  2. Regulus: Extragalactic Astronomy

Definitions from Wiktionary (Regulus)

noun:  An impure metal formed beneath slag during the smelting of ores.
noun:  (astronomy) A star in the constellation Leo; alpha (α) Leonis.
noun:  a Roman cognomen

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