Kanji N1

凸: convex, beetle brow, uneven

凸 is a JLPT N1 kanji meaning convex, beetle brow, uneven, written with 5 strokes. It is read トツ (on) and でこ (kun). It is one of the jōyō kanji taught in secondary school. You will see it in 凸凹 (でこぼこ, unevenness) and 凹凸 (おうとつ, unevenness).

凸

Meanings

  • convex
  • beetle brow
  • uneven
Strokes5
JLPT levelN1
School gradeSecondary school
Frequency#2143 of 2,500

On reading · Kun reading

On reading
  • トツ

On'yomi: from Chinese, written in katakana. Used in compound words.

Kun reading
  • でこ

Kun'yomi: native Japanese, in hiragana. The faint part is the okurigana, written in kana after the kanji.

Watch the stroke order

Every stroke in order, the live one in vermilion. Replay as often as you like.

12345

Now draw it

Trace each stroke in order. Wrong direction or wrong order gets flagged right away.

123450 / 5

Your turn: draw stroke 1 of 5. Start at the dot.

Common words with 凸

The most useful words written with it, easiest first. Every other kanji in them opens its own page.

  • 凸凹でこぼこ

    unevenness; roughness; ruggedness; bumpiness

    JLPT N2
  • 凹凸おうとつ

    unevenness; bumpiness; roughness; ruggedness

  • 凸版とっぱん

    letterpress; relief printing

  • 凸版印刷とっぱんいんさつ

    letterpress; relief printing

Ready to start?

It's free to start, from hiragana to your first kanji. Get in early and your account keeps every step.

Start free

Stroke order from KanjiVG © Ulrich Apel, CC BY-SA 3.0. Readings, meanings and words from KANJIDIC2 and JMdict, names from JMnedict, © EDRDG, CC BY-SA 4.0, and Wikidata, CC0. JLPT lists after Jonathan Waller (tanos.co.uk), CC BY.