water-resistant enamel
71Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
72Sigg bottle — Sigg bottles are bottles designed and manufactured in Switzerland from aluminium or stainless steel. [ [http://www.mysigg.com/index.asp?PageAction=Custom ID=4 Eco friendly, stylish, reusable Swiss water bottles at MySIGG.com ] ] The aluminum… …
73Apatite — Not to be confused with appetite. Apatite General Category Phosphate mineral group Chemical form …
74mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …
75Poland in Antiquity — Peoples belonging to numerous archeological cultures identified with Celtic, Germanic and Baltic tribes lived in various parts of Poland from about 400 BC. Other groups were no doubt also present, as ethnic composition of archeological cultures… …
76Dental cement — Dental cements are hard, brittle materials formed by mixing powder and liquid together. They are either resin cements or acid base cements. In the latter the powder is a basic metal oxide or silicate and the liquid is acidic. An acid base… …
77porcelain enamelling — ▪ industrial process also called Vitreous Enamelling, process of fusing a thin layer of glass (glassware) to a metal object to prevent corrosion and enhance its beauty. Porcelain enamelled iron is used extensively for such articles as… …
78dental caries — decay and crumbling of the substance of a tooth. Dental caries is caused by the metabolism of the bacteria in plaque attached to the surface of the tooth. Acid formed by bacterial breakdown of sugar in the diet causes demineralization of the… …
79fluorosis — n. the effects of high fluoride intake. Dental fluorosis is characterized by mottled enamel, which is opaque and may be stained. Its incidence increases when the level of fluoride in the water supply is above 2 parts per million. The mottled… …
80Transparency and translucency — Diaphanes redirects here. For the genus of firefly, see Diaphanes (beetle). Translucence redirects here. For other uses, see Translucence (disambiguation). Translucent redirects here. For the Japanese manga series, see Translucent (manga).… …
