| Share | Phrase |
|---|
| 23.73% | semi-cylindrical [shape] surface |
| 22.20% | semi-cylindrical [shape] conductor |
| 11.93% | semi-cylindrical [shape] portion |
| 11.23% | semi-cylindrical [shape] member |
| 7.39% | semi-cylindrical [shape] shape |
| 7.29% | semi-cylindrical [shape] wall |
| 5.08% | semi-cylindrical [shape] recess |
| 5.00% | semi-cylindrical [shape] shell |
| 3.20% | semi-cylindrical [shape] groove |
| 2.91% | semi-cylindrical [shape] section |