- lanthanum glass
- lanthanum glass nounOptical glass used for high-quality photographic lenses, etc• • •Main Entry: ↑lanthanum
Useful english dictionary. 2012.
lanthanum glass
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Lanthanum — (pronEng|ˈlænθənəm) is a chemical element with the symbol La and atomic number 57. Characteristics Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is a lanthanoid. Found in some rare earth minerals … Wikipedia
Lanthanum(III) oxide — Chembox new Name = Lanthanum(III) oxide ImageFile = Lanthanum(III) oxide.jpg ImageName = Lanthanum(III) oxide IUPACName = Lanthanum(III) oxide OtherNames = Lanthanum sesquioxide Lanthana Section1 = Chembox Identifiers CASNo = 1312 81 8 RTECS =… … Wikipedia
Lanthanum carbonate — Chembox Name = Lanthanum carbonate ImageFile = Lanthanum carbonate.jpg ImageName = IUPACName = Lanthanum carbonate OtherNames = Section1 = Chembox Identifiers CASNo = 54451 24 0 RTECS = Section2 = Chembox Properties Formula = La2(CO3)3 MolarMass … Wikipedia
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
Crown glass (optics) — This article is about crown glass as used in optics. For the window glass, see Crown glass (window). Crown glass is type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
Tessar — Infobox lens design scheme = Zeiss Tessar.svg year = 1902 author = Paul Rudolph elements = 4 groups = 3 aperture = f/6.3 (1902) f/4.5 (1917) f/2.8 (1930)The Tessar is a famous photographic lens design conceived by physicist Paul Rudolph in 1902… … Wikipedia
Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th … Wikipedia
