Definition of Resnel. Meaning of Resnel. Synonyms of Resnel

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Definition of Resnel

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Fresnel 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 opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure. Lenses Note: Of spherical lenses, there are six varieties, as shown in section in the figures herewith given: viz., a plano-concave; b double-concave; c plano-convex; d double-convex; e converging concavo-convex, or converging meniscus; f diverging concavo-convex, or diverging meniscus. Crossed lens (Opt.), a double-convex lens with one radius equal to six times the other. Crystalline lens. (Anat.) See Eye. Fresnel lens (Opt.), a compound lens formed by placing around a central convex lens rings of glass so curved as to have the same focus; used, especially in lighthouses, for concentrating light in a particular direction; -- so called from the inventor. Multiplying lens or glass (Opt.), a lens one side of which is plane and the other convex, but made up of a number of plane faces inclined to one another, each of which presents a separate image of the object viewed through it, so that the object is, as it were, multiplied. Polyzonal lens. See Polyzonal.
Fresnel lens
Fresnel lens Fres`nel" lens" [See Fresnel lamp.] (Optics) See under Lens.

Meaning of Resnel from wikipedia

- Jean-François Du Resnel du Bellay, Cong.Orat (29 June 1692, Rouen – 25 February 1761, Paris), was a French ecclesiastic, writer and translator. Essai sur...
- all the literary figures of Rouen: Le Cornier de Cideville, the abbé du Resnel, Elie de Beaumont (who was to be the lawyer in the case of the Calas affair)...
- Literature. Oxford University Press. ISBN 0-19-860634-6. According to Jean-François Du Bellay du Resnel, author of Recherches sur les poètes couronnez....
- Dubos, 1720–1742, ecclesiastic and historian Jean-François Du Bellay du Resnel, 1742–1761, ecclesiastic Bernard-Joseph Saurin, 1761–1781, lawyer and poet...
- emoluments paid in connection with these dignities, although the Abbé du Resnel, author of "Recherches sur les poètes couronnez," ****erts that he had seen...
- Stuart, British princess (d. 1712) June 29 – Jean-François Du Bellay du Resnel, French Roman Catholic priest (d. 1761) July 1 – Antonio Sandini, Italian...
- Stuart, British princess (d. 1712) June 29 – Jean-François Du Bellay du Resnel, French Roman Catholic priest (d. 1761) July 1 – Antonio Sandini, Italian...
- was leaving the trenches. A French cavalry squadron under the Marquis of Resnel skirmished with the pursuers and allowed the foot soldiers to escape. The...