flint glass

  1. an optical glass of high dispersion and a relatively high index of refraction, composed of alkalis, lead oxide, and silica, with or without other bases, sometimes used as the diverging lens component of an achromatic lens.

Origin of flint glass

First recorded in 1665–75

Words Nearby flint glass

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use flint glass in a sentence

  • For general purposes flint glass is vastly superior to the soft soda mentioned above.

    On Laboratory Arts | Richard Threlfall
  • Apparatus made of flint glass is less liable to crack and break at places of unequal thickness than if made of soda glass.

    On Laboratory Arts | Richard Threlfall
  • It should also be mentioned that flint glass has a much more brilliant appearance than soda glass.

    On Laboratory Arts | Richard Threlfall
  • With soda glass a very small irregularity will cause the joint to break when cold, but flint glass is much more long-suffering.

    On Laboratory Arts | Richard Threlfall
  • The flint-glass tube is then fused down upon the platinum wire, care being taken to avoid the presence of air bubbles.

    On Laboratory Arts | Richard Threlfall

British Dictionary definitions for flint glass

flint glass

  1. another name for optical flint, flint (def. 4)

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