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tombstone (EN)
名詞

名詞 “tombstone”

単数 tombstone、複数 tombstones
  1. 墓石
    The old cemetery was filled with tombstones, each bearing the name and dates of the person buried beneath.
  2. 「∎」という記号を指し、数学において証明の終わりを示すために使用される。
    After carefully laying out each step of the theorem, the mathematician concluded the proof with a tombstone, signaling to readers that no further explanation was needed.