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rheology

(Encyclopedia) rheologyrheologyrēŏlˈəjē [key], branch of physics dealing with the deformation and flow of matter. It is particularly concerned with the properties of matter that determine its…

gyroscope

(Encyclopedia) CE5 Three-frame gyroscope gyroscopegyroscopejīˈrəskōpˌ [key], symmetrical mass, usually a wheel, mounted so that it can spin about an axis in any direction. When spinning, the…

nationalization

(Encyclopedia) nationalization, acquisition and operation by a country of business enterprises formerly owned and operated by private individuals or corporations. State or local authorities have…

elastomer

(Encyclopedia) elastomerelastomerĭlăsˈtəmər [key], substance having to some extent the elastic properties of natural rubber. The term is sometimes used technically to distinguish synthetic rubbers…

Kakutani, Shizuo

(Encyclopedia) Kakutani, Shizuo, 1911–2004, Japanese mathematician, b. Osaka, Japan, grad. Tohoko Univ, Ph.D. Princeton, 1941. Kakutani repatriated to Japan during World War II, but returned to…

transition elements

(Encyclopedia) transition elements or transition metals, in chemistry, group of elements characterized by the filling of an inner d electron orbital as atomic number increases. This includes the…

biodiesel

(Encyclopedia) biodiesel, fuel made from natural, renewable sources, such as new and used vegetable oils and animal fats, for use in a diesel engine. Biodiesel has physical properties very similar to…

Bethesda, in the Bible

(Encyclopedia) BethesdaBethesdabĕthĕzˈdə, –thĕsˈ– [key], pool in Jerusalem, perhaps the one discovered under the Crusaders' Church of St. Anne near St. Stephen's Gate in the northeast corner of the…

allotropy

(Encyclopedia) allotropyallotropyəlŏˈtrəpē [key] [Gr.,=other form]. A chemical element is said to exhibit allotropy when it occurs in two or more forms in the same physical state; the forms are…

fermium

(Encyclopedia) fermiumfermiumfûrˈmēəm [key] [for Enrico Fermi], artificially produced radioactive chemical element; symbol Fm; at. no. 100; mass no. of most stable isotope 257; m.p. 1,527℃; b.p. and…