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凸

凸: convex

convex; bump
5 strokesSecondary · Stage 3 (about 準2級)in 3 words here

Readings

On
トツ
Kun
でこ

とつ: 凸レンズ(とつれんず) "convex lens", 凸面鏡(とつめんきょう) "convex mirror", 凹凸(おうとつ) "unevenness"; とっ in 凸版(とっぱん) "letterpress". 凸凹(でこぼこ) "bumpy" is a special reading.

Stroke order · 5 strokes

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The numbers show the order. The course page animates each stroke.

Key words

凸凹でこぼこbumpy; uneven
凹凸おうとつbumps and hollows
凸レンズとつれんずconvex lens
凸版とっぱんrelief printing plate
凸面鏡とつめんきょうconvex mirror

Example sentences

The road under construction was bumpy, and the bicycle shook hard again and again.

The old wall is full of bumps and dips, so it is hard to hang a picture.

A magnifying glass is made of a convex lens and makes small things look big.

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