Definition of Planoconcave

1. Adjective. Flat on one side and concave on the other.

Similar to: Concave

Definition of Planoconcave

1. a. Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens.

Definition of Planoconcave

1. Adjective. (optics of a lens) Having one side plane and the other concave ¹

¹ Source: wiktionary.com

Medical Definition of Planoconcave

1. Flat on one side and concave on the other, usually denoting a lens of that shape. Source: Websters Dictionary (21 Jun 2000)

Lexicographical Neighbors of Planoconcave

planner
planners
planning
planning board
planning commission
planning on
planning permission
planning techniques
plannings
plano
plano-
plano-convex
planoblast
planoblasts
planocellular
planoconcave (current term)
planoconical
planoconvex
planogram
planogrammed
planogramming
planograms
planographic
planographic printing
planographies
planography
planomania
planometer
planometers
planometry

Literary usage of Planoconcave

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Practical Treatise on the Use of the Microscope: Including the Different by John Quekett (1848)
"To form a planoconvex lens of these materials flint glass was used as the planoconcave and crown for the double convex; one of the surfaces of the latter ..."

2. Refraction of the Human Eye and Methods of Estimating the Refraction by James Thorington (1916)
"planoconcave, meaning one surface flat and the other concave (Fig. ... that it is equal to two planoconcave lenses with their plane surfaces together (Figs. ..."

3. The Complete Works of Thomas Dick, Ll.D.: Eleven Volumes in Two by Thomas Dick (1851)
"В is a planoconcave, which is plane on the one side and concave on the other. ... planoconcave. Double Convex. Double Concave. Meniscus. ..."

4. Annals of Medical History by Francis Randolph Packard (1921)
"Valdez advises that in ordering weak glasses they be made planoconvex or planoconcave, as the case may require, the concave surface of planoconcave lenses ..."

5. Elements of Natural Philosophy: Being and Experimental Introduction to the by Golding Bird (1848)
"In such a compound lens, no advantage would be gained over a simple planoconvex lens of the same curvature, so long as the planoconcave and doubly convex ..."

6. Ophthalmic Record: A Monthly Review of the Progress of Ophthalmology (1900)
"... discovered that judiciously selected menisci or planoconcave glasses are ... or planoconcave or asymmetrical biconcave. He gives a curve to guide the ..."

7. A Compend of the Diseases of the Eye and Refraction: Including Treatment and by George Milbry Gould, Walter Lytle Pyle (1914)
"5. planoconcave, having on one side a plane surface and on the verse side a concave surface. e, or diverging meniscus. ..."

8. The Ophthalmoscope and how to Use it: With Colored Illustrations by James Thorington (1906)
"Varieties or kinds of concave lenses: I. planoconcave, meaning one surface flat and the other concave (Fig. 39). n V7 F1G. 39. F1G. 40. FIG. 41. 2. ..."

9. A Practical Treatise on the Use of the Microscope: Including the Different by John Quekett (1848)
"To form a planoconvex lens of these materials flint glass was used as the planoconcave and crown for the double convex; one of the surfaces of the latter ..."

10. Refraction of the Human Eye and Methods of Estimating the Refraction by James Thorington (1916)
"planoconcave, meaning one surface flat and the other concave (Fig. ... that it is equal to two planoconcave lenses with their plane surfaces together (Figs. ..."

11. The Complete Works of Thomas Dick, Ll.D.: Eleven Volumes in Two by Thomas Dick (1851)
"В is a planoconcave, which is plane on the one side and concave on the other. ... planoconcave. Double Convex. Double Concave. Meniscus. ..."

12. Annals of Medical History by Francis Randolph Packard (1921)
"Valdez advises that in ordering weak glasses they be made planoconvex or planoconcave, as the case may require, the concave surface of planoconcave lenses ..."

13. Elements of Natural Philosophy: Being and Experimental Introduction to the by Golding Bird (1848)
"In such a compound lens, no advantage would be gained over a simple planoconvex lens of the same curvature, so long as the planoconcave and doubly convex ..."

14. Ophthalmic Record: A Monthly Review of the Progress of Ophthalmology (1900)
"... discovered that judiciously selected menisci or planoconcave glasses are ... or planoconcave or asymmetrical biconcave. He gives a curve to guide the ..."

15. A Compend of the Diseases of the Eye and Refraction: Including Treatment and by George Milbry Gould, Walter Lytle Pyle (1914)
"5. planoconcave, having on one side a plane surface and on the verse side a concave surface. e, or diverging meniscus. ..."

16. The Ophthalmoscope and how to Use it: With Colored Illustrations by James Thorington (1906)
"Varieties or kinds of concave lenses: I. planoconcave, meaning one surface flat and the other concave (Fig. 39). n V7 F1G. 39. F1G. 40. FIG. 41. 2. ..."

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