astroid

1 of 2

adjective

as·​troid
ˈaˌstrȯid
: shaped like a star

astroid

2 of 2

noun

"
plural -s
: a hypocycloid of four cusps, the radius of the rolling circle being one fourth that of the fixed circle

Word History

Etymology

Adjective

Greek astroeidēs starlike, from astr- + -oeidēs -oid

Noun

astr- + -oid

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Dictionary Entries Near astroid

astrography

astroid

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Cite this Entry

“Astroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astroid. Accessed 28 Nov. 2024.

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