lenticular

形容词 lenticular:

1. convex on both sides; shaped like a lentil
   同义词：biconvex, convexo-convex, lentiform

len.tic.u.lar

adj.（形容词）
Shaped like a biconvex lens.
双凸透镜状的：形状像双凸透镜的
Of or relating to a lens.
透镜的，或与透镜有关的

来源：
Latin lenticul3ris [lentil-shaped]
拉丁语 lenticul3ris [扁豆形状的]
from lenticula [lentil] * see lentil
源自 lenticula [扁豆] *参见 lentil