| tū | convex/to stick out |
| 凸 | convex to stick out Taiwan pr. tu2 |
| 凸凸 | convex on both sides (of lens) biconvex |
| 凸凹形 | convex concave |
| 凸凹透镜 | convexo concave lens; negative meniscus; meniscus; convex concave lens |
| 凸出 | to protrude to stick out |
| 凸出嵌线 | bilection |
| 凸出物 | projecture |
| 凸出的 | bulgy; protuberant; projecting; prominent; convex; bombous; protrusion |
| 凸嘴凹鼻 | projecting lips and a sunken nose |
| 凸圆 | [Astronomy] gibbosity |
| 凸多胞形 | convex polytope |
| 凸多边形 | convex polygon |
| 凸多面体 | convex polyhedron |
| 凸岸 | convex bank |
| 凸底 | dropped bottom |
| 凸形的 | umbonate; convex; male |
| 凸性 | convexity |
| 凸折线 | convex polygonal line |
| 凸显 | to present clearly to give prominence to to magnify |
| 凸月 | the gibbous moon |