crown lens

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noun Optics.

a lens made of crown glass, usually used as the converging lens component of an achromatic lens.

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Origin of crown lens

First recorded in 1825–35

Words nearby crown lens

crown imperial, crowning, crown-jewel option, crown jewels, crown land, crown lens, crown octavo, Crown Office, crown-of-jewels, crown of thorns, crown-of-thorns starfish

How to use crown lens in a sentence

It reminded me a bit of an alternative take on The Wolf of Wall Street—through the Toni and Candace lens.
Coffee Talk with Fred Armisen: On ‘Portlandia,’ Meeting Obama, and Taylor Swift’s Greatness|Marlow Stern|January 7, 2015|DAILY BEAST
Her post-crown fame, though, only further begs the question: Why has there not been another Jewish Miss America since 1945?
Why Was Bess Myerson the First and Last Jewish Miss America?|Emily Shire|January 7, 2015|DAILY BEAST
It had a wide brim and a tall crown, which created an insulated pocket of air and could also be used to carry water.
My Love Letter to the Stetson|Mark McKinnon|December 24, 2014|DAILY BEAST
And he said, I know you see this crisis through a very personal lens.
The NY Police Union’s Vile War with Mayor De Blasio|Michael Tomasky|December 21, 2014|DAILY BEAST

At 3:45 am Sunday police arrested 29 year-old Eric Linsker at his apartment in the Crown Heights section of Brooklyn.
Protesters Slimed This Good Samaritan Cop|Michael Daly|December 16, 2014|DAILY BEAST
As an M.P. you are duly qualified to accept any appointment under the Crown when the Government ask you.
Punch, or the London Charivari, Volume 107, November 3, 1894|Various
While still very young his head was shaved, except a little round spot on the very crown.
Our Little Korean Cousin|H. Lee M. Pike
The King arrived in Naples bent on maintaining his crown and on allowing no interference from the Emperor.
Napoleon's Marshals|R. P. Dunn-Pattison
Its culture in these kingdoms as well as by their colonies brought to the crown enormous revenues.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce|E. R. Billings.
It may be added that they start with the most dignified part of this crown of creation, viz., the human head.
Children's Ways|James Sully

British Dictionary definitions for crown lens

crown lens

noun

a lens made of optical crown, esp the optical-crown part of a compound achromatic lens

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012