regulus
noun
reg·u·lus
ˈre-gyə-ləs 
1
capitalized
: a first-magnitude star in the constellation Leo
2
[Medieval Latin, metallic antimony, from Latin]
: the more or less impure mass of metal formed beneath the slag in smelting and reducing ores
Examples of regulus in a Sentence
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Regulus will be only three degrees away from the moon, about equal to the width of your two middle fingers held at arm’s length.
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National Geographic, 4 July 2016
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National Geographic, 4 July 2016
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“Regulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regulus. Accessed 28 Nov. 2024.
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