JMdict: 1759010

底面 【ていめん】

  1. [n] bottom; underside; base
  2. [n] base (of a polyhedron)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
底 Bottom, Sole, Depth, Bottom Price, Base, Kind, Sort テイ そこ 4
面 Mask, Face, Features, Surface メン, ベン おも, おもて, つら 3