# plano-convex

[pley-noh-kon-veks, -kon-veks, -kuh n-]

- pertaining to or noting a lens that is plane on one side and convex on the other.

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## Origin of plano-convex

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for plano-convex

### Historical Examples of plano-convex

If the lens is a plano-convex the focal length is twice the radius of its spherical surfaces.

Wireless Transmission of PhotographsMarcus J. Martin

The two examples with plano-convex cross-sections were unmodified on the plano face except for retouch along the edges.

Handbook of Alabama Archaeology: Part I Point TypesJames W. Cambron

In most plano-convex examples, the plane face is unmodified except for retouch.

Handbook of Alabama Archaeology: Part I Point TypesJames W. Cambron

Plano-convex (L)—a term used to describe an object that is flat on one face and convex on the other.

Handbook of Alabama Archaeology: Part I Point TypesJames W. Cambron

But by passing through the plano-convex glass r in their way they form that extremity of the image at b.

The Boy's Playbook of ScienceJohn Henry Pepper

## plano-convex

- (of a lens) having one side convex and the other side plane

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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