Flint glass meaning
WebUses an equiconvex crown glass lens with R 1 = R 2, and a second flint glass lens with R 3 = -R 2. The back of the flint glass lens is flat. A Littrow doublet can produce a ghost image between R 2 and R 3 because the lens surfaces of the two lenses have the same radii. Fraunhofer doublet (Fraunhofer objective) Webflint glass n. A soft, fusible, lustrous, brilliant lead-oxide optical glass with high refraction and low dispersion. Also called lead glass. American Heritage® Dictionary of the English …
Flint glass meaning
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Webflint glass in American English noun Optics an optical glass of high dispersion and a relatively high index of refraction, composed of alkalis, lead oxide, and silica, with or … WebFlint glass (Chem)A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density …
WebLaminated Glass: It is the most common type of glass which features two sheets of glass with a plastic interlayer separating them. It is widely used in the automotive … Webnoun Optics. 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 …
Webflint glass, also called Crystal, or Lead Crystal, heavy and durable glass characterized by its brilliance, clarity, and highly refractive quality. … WebFlint glass (Chem) A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; -- so called, because formerly the silica was obtained from pulverized flints.
Webflint glass n. A soft, fusible, lustrous, brilliant lead-oxide optical glass with high refraction and low dispersion. Also called lead glass. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
WebFlint glass definition, 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. See more. bju press heritage studies 4th gradeWebFlint is very hard, and this means that its edges can be incredibly sharp and resistant to wear. But just as important is its structure. It is mostly a silicon dioxide, as is sandstone or glass, but it has what is known as a crypto-crystalline structure. datpiff caskeyWebFlint glassis optical glass that has relatively high refractive index and low Abbe number. Flint glasses are arbitrarily defined as having an Abbe number of 50 to 55 or less. The … bju press helpWebˈflint 1 : a massive hard dark quartz that produces a spark when struck by steel 2 : an implement of flint used in prehistoric cultures 3 a : a piece of flint b : a material used for … datpiff area servedWebFrom the laboratory standpoint, there are three main types of glass used today: borosilicate, quartz, and soda lime or flint glass. Borosilicate glass is made to withstand thermal shock better than most other glass through a combination of reduced expansion coefficient and greater strength, though fused quartz outperforms it in both respects. bju press heritage studies 6Webnoun A hard, bright glass having a high index of refraction, used as for lenses. Webster's New World Similar definitions Synonyms: optical flint Advertisement Other Word Forms … bju press homeschool 7th gradeWebflint meaning: 1. (a piece of) shiny grey or black stone that is like glass 2. (a piece of) stone or metal used in…. Learn more. datpiff bastard