lenticular
/lenˈtɪkjʊlə(r)/adjective
1
- shaped like a lentil, especially by being biconvex（尤指因双面凸出而）呈扁豆状的：
lenticular lenses.
双面凸透镜片。
2
- of or relating to the lens of the eye（与）眼球晶状体（有关）的。
词源
late Middle English: from Latin lenticularis, from lenticula, diminutive of lens， lent'lentil'.