| 释义 |
convexo-|kənˈvɛksəʊ|
In combination = Convexly, convex and ―, as in convexo-concave, convex on one side and concave on the other, and thickest in the centre (cf. concavo-convex); of the form of a meniscus; convexo-convex, convex on both sides; convexo-plane, convex on one side, and flat on the other = plano-convex.
1693E. Halley in Phil. Trans. XVII. 961 Whether the Lens be..Plano-Convex or Plano-Concave, or Convexo-Concave. a1727Newton (J.), Thick convexo-concave plates of glass which are every where of the same thickness. 1816J. Smith Panorama Sc. & Art I. 468 The use of a convexo-concave lens, instead of the double convex. |