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
Recent Examples on the Web
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.
—
National Geographic, 4 July 2016
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
National Geographic, 4 July 2016
Dictionary Entries Near regulus
Cite this Entry
“Regulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regulus. Accessed 23 Nov. 2024.
Copy CitationBiographical Definition
Love words? Need even more definitions?
Merriam-Webster unabridged
Share