Last Updated
：2026/01/08
凹
Hiragana
おう
Affix
Japanese Meaning
凹（おう）は、「へこみ」「くぼみ」を表す漢字で、接頭語的に使われると「凹凸（おうとつ）」「凹面（おうめん）」のように、くぼんでいること・内側にへこんでいることを表す。
Easy Japanese Meaning
ことばのまえにつきなかにへこんだかたちのいみをあらわす
Chinese (Simplified) Meaning
表示凹陷、内凹的词缀 / 用于构成指凹形、凹面的词
Chinese (Traditional) Meaning
表示內凹、凹陷 / 表示凹面、向內彎曲的性質
Korean Meaning
오목한 / 움푹 들어간 / 패인
Indonesian
cekung / berlekuk / melengkung ke dalam
Vietnamese Meaning
lõm / trũng / hõm
Tagalog Meaning
malukong / may lukab / uka na paloob
Sense（1）
concave
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
This mirror is a concave mirror.
See correct answer
この鏡は凹面鏡です。
Japanese - English
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