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Regulus

[reg-yuh-luh s] /ˈrɛg yə ləs/
noun
1.
Marcus Atilius
[uh-til-ee-uh s] /əˈtɪl i əs/ (Show IPA),
died 250? b.c, Roman general.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for m. a. regulus

regulus

/ˈrɛɡjʊləs/
noun (pl) -luses, -li (-ˌlaɪ)
1.
impure metal forming beneath the slag during the smelting of ores
Derived Forms
reguline, adjective
Word Origin
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

Regulus1

/ˈrɛɡjʊləs/
noun
1.
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

Regulus2

/ˈrɛɡjʊləs/
noun
1.
the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for m. a. regulus

Regulus

n.

bright star in constellation Leo, 1550s, Modern Latin, apparently first so-called by Copernicus, literally "little king," diminutive of rex "king;" probably a translation of Basiliskos "little king," a Hellenistic Greek name for the star, mentioned in Geminos and Ptolemy (in the "Almagest," though elsewhere in his writings it is usually "the star on the heart of Leo"); perhaps a translation of Lugal "king," said to have been the star's Babylonian name. Klein holds it to be a corruption of Arabic rijl (al-asad) "paw of the lion" (cf. Rigel).

Online Etymology Dictionary, © 2010 Douglas Harper
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m. a. regulus in Science
Regulus
  (rěg'yə-ləs)   
A bright triple star in the constellation Leo, with an apparent magnitude of 1.35. Scientific name: Alpha Leonis.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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