astroid

== English == === Etymology === From Ancient Greek ἄστρον (ástron, “a star”) + εἶδος (eîdos, “form, likeness”). === Pronunciation === IPA(key): /ˈæstɹɔɪd/ Homophone: asteroid (one pronunciation) === Noun === astroid (plural astroids) (geometry) A hypocycloid with four cusps. ==== Related terms ==== asteroid astronomy ==== Translations ==== ==== See also ==== asteroid ==== Further reading ==== William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “astroid”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. === Anagrams === Tirados