astroid
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English[edit]
Etymology[edit]
Ancient Greek ἄστρον (ástron, “a star”) + εἶδος (eîdos, “form, likeness”).
Noun[edit]
astroid (plural astroids)
- (geometry) A hypocycloid with four cusps.
Related terms[edit]
Translations[edit]
hypocycloid with four cusps
See also[edit]
Further reading[edit]
- “astroid”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.