ドームdoomu

1. noundome
   東京ドームとうきょうどーむへ行いったことがありますか？↗

   Have you ever been to the Tokyo Dome?

• Synonym円蓋えんがいWrittenWritten architectural term for a hemispherical roof or ceiling; 「ドーム」 is far more common and also covers domed stadiums.
• Synonym丸天井まるてんじょうNeutralA domed or arched ceiling, seen from inside; 「ドーム」 can mean the whole dome and also a domed stadium.
• Synonym丸屋根まるやねNeutralA rounded roof, seen from outside; 「ドーム」 also covers domed stadiums and hemispherical mountain tops.
• Synonym穹窿きゅうりゅうWrittenRare written word for the vault of heaven or an arch structure; in everyday speech 「ドーム」 is used for domed roofs and ceilings.

Use 「ドーム」 for dome buildings and domed stadiums, as in 「東京ドーム」. For an indoor vaulted ceiling say 「丸天井」, for a rounded roof 「丸屋根」; 「円蓋」 and 「穹窿」 are written alternatives.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 半球はんきゅうの形かたちをした屋根やねや天井てんじょう。
2. 山頂さんちょうが半球はんきゅう状じょうの山やま。