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sodium sulfate
(Encyclopedia) sodium sulfate, chemical compound, Na2SO4. It is a white, orthorhombic crystalline compound at ordinary temperatures; above 100℃ it assumes a monoclinic structure, and above about 250…formic acid
(Encyclopedia) formic acid or methanoic acidformic acidmĕthˌənōˈĭk [key], HCO2H, a colorless, corrosive liquid with a sharp odor; it boils at 100.7℃ and solidifies at 8.4℃. It has the lowest…Breisach
(Encyclopedia) Breisach Breisach brīˈzäkh [key], town, Baden-Württemberg, SW Germany, on the Rhine River. Its…Dor
(Encyclopedia) Dor or Dora, Canaanite seaport, ancient Palestine (modern Israel), N of Caesarea Palestinae. It was never a Jewish city but rather a Phoenician outpost. It was rebuilt by the Romans;…Mascara
(Encyclopedia) MascaraMascaramăsˈkərə, mäsˈkärä [key], town (1998 pop. 80,797), NW Algeria. The town is also known as Mouaskar. It is an administrative center, a garrison town, and a marketplace,…potassium hydroxide
(Encyclopedia) potassium hydroxide, chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of…menthol
(Encyclopedia) menthol, white crystalline substance with a characteristic pungent odor. It is derived from the oil of the peppermint plant, Mentha piperita (see mint), or prepared synthetically from…saraband
(Encyclopedia) sarabandsarabandsârˈəbănd [key], dance of Asian origin that first appeared in Spain in the 16th cent. At that time it was characterized by alternate 3–4 and 3–8 meter and was…Fuchu
(Encyclopedia) Fuchu Fuchu f&oomacr;ˈch&oomacr; [key]. 1 City, Hiroshima prefecture, W Honshu, Japan, on the…chrysoberyl
(Encyclopedia) chrysoberylchrysoberylkrĭsˈəbĕrˌĭl [key] [Gr.,=golden beryl], a beryllium aluminate used as a gem. It has a vitreous luster and is transparent to translucent. The more valuable cat's-…Trending
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