Advertisement

Advertisement

optical flint

noun

  1. 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 glass Also calledflint glass


Advertisement

Word of the Day

petrichor

[pet-ri-kawr]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


optical fibreoptical glass