tombstone (EN)
sostantivo

sostantivo “tombstone”

sg. tombstone, pl. tombstones
  1. lapide
    The old cemetery was filled with tombstones, each bearing the name and dates of the person buried beneath.
  2. si riferisce al simbolo "∎", che viene utilizzato per indicare la fine di una dimostrazione in matematica.
    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.