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Jyutping gwaa3 haan6
Pinyin guà xiàn

Definitions (Wiktionary)
  1. noun
    octant (eight divisions of a Euclidean three-dimensional coordinate system)
Examples (Wiktionary)
  1. Mandarin
    卦限
    卦限
    guà xiàn
    • octant (eight divisions of a Euclidean three-dimensional coordinate system)