crown glass Synonyms
No Synonyms and anytonyms found
crown glass Meaning
Wordnet
crown glass (n)
a glass blown into a globe which is later flattened and spun to form a disk
optical glass of low dispersion and low refractive index
crown glass Sentence Examples
- Crown glass is a type of glass with a low refractive index, commonly used in eyeglass lenses.
- The optical properties of crown glass make it ideal for correcting vision and providing clear, distortion-free images.
- Crown glass lenses are lightweight and durable, making them a popular choice for everyday use.
- In addition to eyeglasses, crown glass is also used in camera lenses and other optical instruments.
- Crown glass is manufactured by melting a mixture of silica sand, soda ash, and lime, then pouring it into molds to cool and solidify.
- The production process for crown glass involves grinding and polishing to achieve the desired shape and optical clarity.
- The name "crown glass" comes from the crown-like shape of the glass disks traditionally used in lens production.
- Compared to other types of glass, crown glass has a relatively low dispersion, meaning it separates light into its component colors less than other materials.
- Crown glass lenses are often coated with anti-reflective coatings to reduce glare and improve visual clarity.
- Despite advances in lens technology, crown glass remains a popular choice for its optical quality and affordability.
FAQs About the word crown glass
a glass blown into a globe which is later flattened and spun to form a disk, optical glass of low dispersion and low refractive index
No synonyms found.
No antonyms found.
Crown glass is a type of glass with a low refractive index, commonly used in eyeglass lenses.
The optical properties of crown glass make it ideal for correcting vision and providing clear, distortion-free images.
Crown glass lenses are lightweight and durable, making them a popular choice for everyday use.
In addition to eyeglasses, crown glass is also used in camera lenses and other optical instruments.