- 
岩
巖
yan2
- variant of 岩
| strokes | 22 | 
| radical |  | 
| strokes after radical | 20 | 
- 
层岩
層巖
ceng2 yan2
- stratified rock; flagstone
- 
非层岩
非層巖
fei1 ceng2 yan2
- unstratified rock
- 
灰岩残丘
灰巖殘丘
hui1 yan2 can2 qiu1
- mogote (steep-sided pointed hill in karst landform)
- 
碱性岩
鹼性巖
jian3 xing4 yan2
- basic rock; mafic rock (with less silicon and more magnesium, iron etc)
- 
岩层
巖層
yan2 ceng2
- variant of 岩層|岩层; rock strata
- 
岩床
巖床
yan2 chuang2
- bedrock
- 
岩画
巖畫
yan2 hua4
- rock painting; picture or writing carved on rocks