Question

0031 凸 ㄊㄨ convex, protruding; bulge out

Accepted Answer

convex 凸 tū [普], tú [國] 凸的字源http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%A5Y・凸的筆順http://stroke-order.learningweb.moe.edu.tw/word_detail.jsp?big5=A559・凸在n词酷http://www.nciku.com/search/zh/%E5%87%B8・凸在RTK：convexhttp://kanji.koohii.com/study/?framenum=34

Heisig number	0031
Keyword	convex
Traditional	凸
Simplified	凸
Zhuyin	ㄊㄨ
Pinyin	tū [普], tú [國]
Connotation	convex, protruding; bulge out
References	凸的字源 http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%A5Y ・凸的筆順 http://stroke-order.learningweb.moe.edu.tw/word_detail.jsp?big5=A559 ・凸在n词酷 http://www.nciku.com/search/zh/%E5%87%B8 ・凸在RTK：convex http://kanji.koohii.com/study/?framenum=34

凸 Convex ㄊㄨ Tū 普 Tú 國 Protruding