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Sloane, T(homas) O'Conor

(Encyclopedia)Sloane, T(homas) O'Conor, 1851–1940, American scientist, lecturer, writer, and periodical editor, Ph.D. Columbia, 1876. Sloane was a member of the editorial staff of the Scientific American, where h...

ink

(Encyclopedia)ink, pigmented fluid used for writing and drawing, or a viscous compound used for printing, both of various colors but most frequently black. The oldest known variety, India ink or China ink, is still...

nitric acid

(Encyclopedia)nitric acid, chemical compound, HNO3, colorless, highly corrosive, poisonous liquid that gives off choking red or yellow fumes in moist air. It is miscible with water in all proportions. It forms an a...

Alfvén, Hannes Olof Gösta

(Encyclopedia)Alfvén, Hannes Olof Gösta, 1908–95, Swedish physicist, Ph.D. Univ. of Uppsala, 1934. He was a lecturer at Uppsala from 1934 to 1937 and a researcher at the Nobel Institute of Physics from 1937 to ...

creosote

(Encyclopedia)creosote krēˈəsōt [key], volatile, heavy, oily liquid obtained by the distillation of coal tar or wood tar. Creosote derived from beechwood tar has been used medicinally as an antiseptic and in th...

isoprene

(Encyclopedia)isoprene or 2-methyl-1,3-butadiene īˈsəprēn, byo͞oˌtədīˈēn [key], colorless liquid organic compound. It is a hydrocarbon, and is insoluble in water but soluble in many organic solvents; it b...

Niigata

(Encyclopedia)Niigata nēˈgätä [key], city (1990 pop. 486,097), capital of Niigata prefecture, N Honshu, Japan, on the Sea of Japan at the mouth of the Shinano River. It is the main port for the west coast of Ho...

pastry

(Encyclopedia)pastry, general name for baked articles of food made of paste or having paste as a necessary ingredient. The name is also used for the paste itself. The essential elements of paste are flour, liquid (...

lewisite

(Encyclopedia)lewisite lo͞oˈəsītˌ [key], liquid chemical compound used as a poison gas. Like mustard gas and nitrogen mustard, it is a blistering agent; when inhaled, it is a powerful respiratory irritant. The...

sodium nitrate

(Encyclopedia)sodium nitrate, chemical compound, NaNO3, a colorless, odorless crystalline compound that closely resembles potassium nitrate (saltpeter or niter) in appearance and chemical properties. It is soluble ...