凸

common

トツ/TOTSU/    でこ/deko/TOTSU/トツ/    deko/でこ/

convex;  beetle brow;  uneven

Radical: 凵 (open box).   Strokes: 5画.   Elements: |一冂凵.   Pinyin: tū / tú / gǔ.   Hangul: 철 [cheol] 돌 [dol].

Jōyō Kanji High School.   JLPT N1.

Example compounds:
トツTOTSU凹凸【おうとつōtotsu】unevenness; roughness; ruggedness
凸レンズ【とつレンズtotsurenzu】convex lens
凸状【とつじょうtotsujō】protrusion
でこdeko凸凹【でこぼこdekoboko】unevenness; roughness; ruggedness
お凸【おでこodeko】brow; prominent forehead; not catching anything (in fishing)
凸坊【でこぼうdekobō】beetle-browed boy; mischief
Codepoints and classification codes:
51f8–Unicode
38-44–JIS X 0208
4-5-1–SKIP
0a5.13–TKD
7777.7–Four Corner
3675–De Roo
Dictionary indices:
90–Classic Nelson
443–The New Nelson Character Dictionary by A. Nelson
3486–New Japanese-English Character Dictionary by J. Halpern
2174–Kanji Learner's Dictionary by J. Halpern
34–Remembering the Kanji by J. Heisig
1921–A New Dictionary of Kanji Usage (Gakken)
323–Japanese Names by P.G. O'Neill
1882–Essential Kanji by P.G. O'Neill
1809–Daikanwajiten 「大漢和辞典」 by T. Morohashi vol. 2 p. 174
1667–A Guide to Remembering Japanese Characters by K.G. Henshall
1892–Kanji & Kana by Spahn and Hadamitzky
1086–Kanji Flashcards by M. Hodges and T. Okazaki
1040–Tuttle Kanji Cards by A. Kask
1921–Kanji in Context by Nishiguchi and Kono
175–Kodansha Compact Kanji Guide
34–Y. Maniette's French adaptation of Heisig
凸