concave plane
111Lens — (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two opposite… …
112Lenses — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
113Multiplying glass — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
114Multiplying lens — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
115Polyzonal lens — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
116Schmidt camera — A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical camera designed to provide wide fields of view with limited aberrations. Other similar designs are the Wright Camera and Lurie Houghton telescope.Invention and… …
117List of mathematics articles (L) — NOTOC L L (complexity) L BFGS L² cohomology L function L game L notation L system L theory L Analyse des Infiniment Petits pour l Intelligence des Lignes Courbes L Hôpital s rule L(R) La Géométrie Labeled graph Labelled enumeration theorem Lack… …
118Optical Landing System — An Optical Landing System (OLS) is used to give glidepath information to pilots in the terminal phase of landing on an aircraft carrier. [Aircraft Launch and Recovery Operations Manual http://www.lsoschool.org/images/stories/files/pubs/Instruction… …
119Avancée — Glossaire de l architecture Cette page est une annexe de : Architecture Glossaire de l architecture Annexe de : Architecture Groupes thématiques  Mur Plancher Balcon Porte Fenêtre Escalier Charpente Toit Cheminé …
120Calcul de l'aire d'un polygone — Polygone Pour les articles homonymes, voir Polygone (homonymie). En géométrie euclidienne, un polygone (du grec polus, nombreux, et gônia, angle) est une figure géométrique plane, formée d une suite de segments, chacun d entre eux partageant une… …
