JMdict: 1459150

内壁 【ないへき】

  1. [n,adj-no] inner wall
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
内 Inside, Within, Between, Among, House, Home ナイ, ダイ うち
壁 Wall, Lining (stomach), Fence ヘキ かべ