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regulus

1 American  
[reg-yuh-luhs] / ˈrɛg yə ləs /

noun

plural

reguluses, reguli
  1. Astronomy. Regulus, a first magnitude star in the constellation Leo.

  2. Metallurgy.

    1. the metallic mass that forms beneath the slag at the bottom of the crucible or furnace in smelting ores.

    2. an impure intermediate product obtained in smelting ores.


Regulus 2 American  
[reg-yuh-luhs] / ˈrɛg yə ləs /

noun

  1. Marcus Atilius died 250? b.c., Roman general.


Regulus 1 British  
/ 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

"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

Regulus 2 British  
/ 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

regulus 3 British  
/ ˈrɛɡjʊləs /

noun

  1. impure metal forming beneath the slag during the smelting of ores

"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

Regulus Scientific  
/ rĕgyə-ləs /
  1. A bright triple star in the constellation Leo, with an apparent magnitude of 1.35. Scientific name: Alpha Leonis.


Other Word Forms

  • reguline adjective

Etymology

Origin of regulus

First recorded in 1550–60; from Latin rēgulus literally, “little king” (diminutive of rēx ); in early chemistry, “antimony,” so called because it readily combines with gold (the king of metals); -ule

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some standouts: Regulus Therapeutics went up 120%; 89bio went up 85%; Chimerix gained 69% and Intra-Cellular Therapies rose 57%.

From MarketWatch

He was also a member of numerous scientific advisory boards, including Amgen, the Broad Institute, Ragon Institute, and Regulus.

From Los Angeles Times

Novartis’s global development and commercial capabilities will help bring farabursen, its lead product, to market, according to Regulus Therapeutics Chief Executive Officer Jay Hagan.

From Los Angeles Times

Novartis AG agreed to buy US biotech Regulus Therapeutics Inc. in a deal that could be valued at up to $1.7 billion.

From Los Angeles Times

Regulus Therapeutics shareholders will also receive a so-called contingent value right, which entitles them to a further $900 million if regulatory approval is secured for farabursen, which seeks to treat patients living with ADPKD, the most common genetic cause of renal failure.

From Los Angeles Times