planoconcave

As a noun terms

is .

As an adjective planoconcave is

(optics|of a lens) having one side plane and the other concave.

Planoconvex is a see also of planoconcave.

In optics|of a lens|lang=en terms the difference between planoconvex and planoconcave

is that planoconvex is (optics|of a lens) having one side plane and the other convex while planoconcave is (optics|of a lens) having one side plane and the other concave.

As adjectives the difference between planoconvex and planoconcave

is that planoconvex is (optics|of a lens) having one side plane and the other convex while planoconcave is (optics|of a lens) having one side plane and the other concave.

As adjectives the difference between concave and planoconcave

is that concave is curved like the inner surface of a sphere or bowl while planoconcave is (optics|of a lens) having one side plane and the other concave.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

As an adverb plane

is (label) particularly, especially, certainly.

As a noun plane

is (label) the thing, the point, the interesting thing, the main interest in something, unusualness, speciality.

As an adjective planoconcave is

(optics|of a lens) having one side plane and the other concave.