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凸
凸
5 strokes
Frequency: 2143
JLPT N1
Grade 8

Meanings

convex
beetle brow
uneven

Readings

On — Chinese-derived reading, usually for compounds
トツ
Kun — Native Japanese reading, usually for standalone words
でこ

Common Words

おでこ
お凸
Noun
Usually kana
Freq #10526
1

brow; forehead

Examples
前髪が、おでこにかからないように髪を上げることをおすすめします。
I recommend putting up your hair so your fringe doesn't get on your forehead.
2

prominent forehead; beetle brow

3

Colloquial; Fishing

not catching anything

突起
とっき
凸起
～する Verb
Noun
Intransitive
Freq #12921
1

protuberance; projection; prominence; protrusion; bump; boss; process; apophysis

凹凸
おうとつ
Noun
Freq #19212
1

unevenness; bumpiness; roughness; ruggedness

2

imbalance; inequality; unevenness; disparity

でこピン (凸ピン)
凸ピン
凸ぴん
でこぴん (凸ぴん)
デコピン
Noun
Usually kana
Freq #26928
1

finger flick to the forehead

凸凹
でこぼこ
とつおう
だくぼく
～な Adj.
Noun
～の Adj.
Freq #28981
1

Noun or participle which takes the aux. verb suru; Intransitive verb

unevenness; roughness; ruggedness; bumpiness

Examples
バスはでこぼこ道を走りながらガタガタと音を立てた。
The bus rattled as it drove along the bumpy road.
2

でこぼこ only

inequality; imbalance; unevenness; difference

凸
とつ
～な Adj.
～の Adj.
Freq #44043
1

convex

でこ
凸
Noun
Usually kana
Freq #48231
1

brow; forehead

2

bump

凸凹コンビ
でこぼこコンビ
Noun
Freq #87956
1

odd couple; incongruous couple

凸レンズ
とつレンズ
Noun
Freq #106872
1

convex lens

デコすけ (デコ助)
デコ助
でこ助
凸助
でこすけ (でこ助／凸助)
デコスケ
Kantou-ben
Noun
Usually kana
Freq #121154
1

Derogatory

big forehead; fivehead; asshole

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Memory Mnemonics

Keywords

The core concepts or meanings associated with this specific kanji.

convex

Mnemonic Stories

A convex lens bulges outward like a bump.

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