crown glass
معنی کامل و مثالها
● شیشهی پنجره (دست ساخت و به شکل دایره که وسط آن برجستگی دارد)، شیشهی چرخی
● عدسی و شیشهی ذرهبین با ضریب انکسار بسیار کم
ریشه و کاربرد
ریشه
The term 'crown glass' is a compound of 'crown' and 'glass'.
مثال
- The crown glass is commonly used in the production of optical lenses.
- The refractive properties of crown glass make it ideal for certain applications.
- Crown glass is known for its excellent optical quality.
تعریف انگلیسی
noun
- 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