optical flint

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noun

an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glassAlso called: flint glass

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Question 1 of 7

Let’s start with some etymology: What are the origins of the typographical word “bracket”?

First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.

First appeared in 1610, based on the French word “baguette” for the long loaf of bread.

First appeared in 1555, and is related to the French word “raquette” for a netted bat.

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Words nearby optical flint

optical disk, optical double star, optical effects, optical fiber, optical fibre, optical flint, optical glass, optical illusion, optical image, optical isomer, optical isomerism

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

Example sentences from the Web for optical flint

Its 8-megapixel camera, inclusive of true-tone and dual-LED f/2.2 aperture flashes, features optical image stabilization.
Why Every Home Needs a Drone This Holiday|Charlie Gilbert|December 8, 2014|DAILY BEAST
“If you are a waiter, you can make twice as much in Austin relative to Flint,” remarked Moretti.
The Rustbelt Roars Back From the Dead|Joel Kotkin, Richey Piiparinen|December 7, 2014|DAILY BEAST
That side is volunteering extensively in his hometown of Flint, and recently, pastoring Charity United Methodist Church.
A Black Cop’s Tough Words for Mike Brown|Mary M. Chapman|December 3, 2014|DAILY BEAST
The third eaglet was never found despite a search by the Flint Creek volunteers and the landowner.
He Faces Jail for Rescuing Baby Eagles|Michael Daly|November 2, 2014|DAILY BEAST

Born in Flint, Michigan, Bragman says he was a “fat gay Jewish kid… who grew up to be a Martian.”
How Howard Bragman Orchestrated Michael Sam’s Coming Out|Itay Hod|March 12, 2014|DAILY BEAST
The burning atmosphere, the motionless air caused doubtless the optical illusion.
The Wave|Algernon Blackwood
When the men worked on their flint points, Fleetfoot liked to play near the workshop.
The Later Cave-Men|Katharine Elizabeth Dopp
While the men struck off large flint flakes, Fleetfoot played not far away.
The Later Cave-Men|Katharine Elizabeth Dopp
Straightshaft let him try, but Fleetfoot was not strong enough to press off hard flint flakes.
The Later Cave-Men|Katharine Elizabeth Dopp
Can you think of any way of removing little pieces of flint besides striking them off?
The Later Cave-Men|Katharine Elizabeth Dopp

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optical flint

noun

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Example sentences from the Web for optical flint