concave plane
41plan — plan, ane 1. (plan, pla n ) adj. 1° Terme didactique. Se dit de toute surface qui n offre ni plis, ni courbures, ni rides, ni ondulations. Un terrain plan. • Sachant que ma rétine n est pas plane, mais concave, la géométrie m apprend que les… …
42Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
43Human Race — Human Race † Catholic Encyclopedia ► Human Race Mankind exhibits differences which have been variously interpreted. Some consider them so great that they regard the varieties of the human race as distinct species; others maintain the… …
44List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …
45Pseudotriangle — In Euclidean plane geometry, a pseudotriangle is the simply connected subset of the plane that lies between any three mutually tangent convex sets. A pseudotriangulation is a partition of a region of the plane into pseudotriangles, and a pointed… …
46Mirror — looking glass redirects here. For other uses, see Looking Glass (disambiguation). This article is about wave reflectors (mainly, specular reflection of visible light). For other uses, see Mirror (disambiguation). A mirror, reflecting a vase A… …
47Glossary of woodworking terms — This page is a glossary of woodworking terms.AlphanumericTOC align=center nobreak= numbers= seealso= externallinks= references= top=|A* Applied carving background which is worked separately and then applied, rather than being worked in place.B*… …
48Lentille (optique) — Lentille optique Pour les articles homonymes, voir Lentille. Une lentille Une lentille est un élément, homogène, isotrope, transparent, traditionnellement en …
49Lentille Optique — Pour les articles homonymes, voir Lentille. Une lentille Une lentille est un élément, homogène, isotrope, transparent, traditionnellement en …
50Lentille biconcave — Lentille optique Pour les articles homonymes, voir Lentille. Une lentille Une lentille est un élément, homogène, isotrope, transparent, traditionnellement en …
