Astroid
//ˈæstɹɔɪd// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A hypocycloid with four cusps.
Etymology
From Ancient Greek ἄστρον (ástron, “a star”) + εἶδος (eîdos, “form, likeness”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.