Regulus
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Reg·u·lus
(rĕg′yə-ləs)n.
A bright binary star in the constellation Leo, approximately 78 light years from Earth.
[Latin rēgulus, diminutive of rēx, rēg-, king; see regulus.]
re·gu·lus
(rĕg′yə-ləs)n. pl. reg·u·li (-lī) or reg·u·lus·es
1. The metallic mass that sinks to the bottom of a furnace or crucible during smelting.
2. A relatively impure intermediate product of various ores in smelting.
reg′u·line (rĕg′yə-lĭn, -līn′) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
regulus
(ˈrɛɡjʊləs)n, pl -luses or -li (-ˌlaɪ)
(Metallurgy) impure metal forming beneath the slag during the smelting of ores
[C16: from Latin: a petty king, from rēx king; formerly used for antimony, because it combines readily with gold, thought of as the king of metals]
ˈreguline adj
Regulus
(ˈrɛɡjʊləs)n
(Biography) Marcus Atilius (ˈmɑːkəs əˈtɪlɪəs). died ?250 bc, Roman general; consul (267; 256). Captured by the Carthaginians in the First Punic War, he was sent to Rome on parole to deliver the enemy's peace terms, advised the Senate to refuse them, and was tortured to death on his return to Carthage
Regulus
(ˈrɛɡjʊləs)n
(Celestial Objects) the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Reg•u•lus
(ˈrɛg yə ləs)n., pl. -lus•es, -li (-ˌlaɪ)
a first-magnitude star in the constellation Leo.
[1550–60; < Latin rēgulus literally, little king (diminutive of rēx)]
Reg•u•lus
(ˈrɛg yə ləs)n.
Marcus Atilius, died 250? B.C., Roman general.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Reg·u·lus
(rĕg′yə-ləs) A bright binary star in the constellation Leo.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. | Regulus - the brightest star in Leo Leo - a zodiacal constellation in northern hemisphere between Cancer and Virgo |
| 2. | Regulus - a genus of birds of the family Sylviidae including kinglets bird genus - a genus of birds family Sylviidae, Sylviidae - in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers; American kinglets and gnatcatchers kinglet - small birds resembling warblers but having some of the habits of titmice |
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