透鏡的,小扁豆似的
Lenticular \Len*tic"u*lar\ (-l[~e]r), a. [L. lenticularis: cf. F. lenticulaire. See {Lenticel}.] Resembling a lentil in size or form; having the form of a double-convex lens.
lenticular adj : convex on both sides; lentil-shaped [syn: {biconvex}, {convexo-convex}, {lentiform}]