Last Updated
：2026/01/03
凹
Hiragana
へこみ / くぼみ
Kanji
凹み
Noun
Japanese Meaning
へこんだ部分やくぼみを指す漢字。「凸」と対になる概念。 / 数学などで、グラフが下向きに曲がっている性質（凹関数など）を表す記号的用法。
Easy Japanese Meaning
まわりよりまんなかがへこんでいるところやもののこと
Chinese (Simplified) Meaning
凹陷处 / 中央下陷的部分 / 中间凹下的地方或物体
Chinese (Traditional) Meaning
凹陷處 / 中央下陷之處 / 中間凹下的地方或物體
Korean Meaning
오목함 / 오목한 곳 / 움푹 들어간 부분
Vietnamese Meaning
chỗ lõm / vết lõm / chỗ trũng
Tagalog Meaning
lundo / lukab / bahaging nakalubog sa gitna
Sense（1）
a sunken center
Sense（2）
a place or object with a sunken center
（ romanization ）
（ hiragana ）
Quizzes for review
a sunken center / a place or object with a sunken center
See correct answer
凹
See correct answer
The center of that table is sunken.
See correct answer
そのテーブルの中心部は凹んでいる。
Japanese - English
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Quiz Edit Setting
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