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Jyutping sei3 min6 tai2
Pinyin sì miàn tǐ

Definitions (CC-CEDICT)
  1. tetrahedron
Definitions (Wiktionary)
  1. noun
    tetrahedron
Examples (Wiktionary)
  1. Mandarin
    正四面体
    正四面體
    zhèng sì miàn tǐ
    • regular tetrahedron