Columbia Encyclopedia

Search results

500 results found

automobile

(Encyclopedia)CE5 Automobile chassis CE5 Two views of a six-cylinder automobile engine automobile, self-propelled vehicle used for travel on land. The term is commonly applied to a four-wheeled vehicle desig...

assault

(Encyclopedia)assault, in law, an attempt or threat, going beyond mere words, to use violence, with the intent and the apparent ability to do harm to another. If violent contact actually occurs, the offense of batt...

nickel

(Encyclopedia)nickel, metallic chemical element; symbol Ni; at. no. 28; at. wt. 58.6934; m.p. about 1,453℃; b.p. about 2,732℃; sp. gr. 8.902 at 25℃; valence 0, +1, +2, +3, or +4. Nickel is a hard, malleable, ...

Sprague, Frank Julian

(Encyclopedia)Sprague, Frank Julian sprāg [key], 1857–1934, American electrical engineer, b. Milford, Conn., grad. Annapolis, 1878. He was an assistant to Thomas Edison in 1883 and independently created a superi...

Farmer, Moses Gerrish

(Encyclopedia)Farmer, Moses Gerrish, 1820–93, American inventor, b. Boscawen, N.H. He helped build and maintain some of the pioneer telegraph lines of Massachusetts and experimented in multiple telegraphy. He exh...

Mount Stromlo Observatory

(Encyclopedia)Mount Stromlo Observatory, astronomical observatory located on Mt. Stromlo, near Canberra, Australia. Established in 1924 (14 years after the first telescope was erected there), it has been operated b...

pole, in electricity and magnetism

(Encyclopedia)pole, in electricity and magnetism, point where electric or magnetic force appears to be concentrated. A single electric charge located at a point is sometimes referred to as an electric monopole. An ...

Colt, Samuel

(Encyclopedia)Colt, Samuel, 1814–62, American inventor, b. Hartford, Conn. In 1835–36, he patented a revolving-breech pistol and founded at Paterson, N.J., the Patent Arms Company, which failed in 1842. An orde...

polystyrene

(Encyclopedia)polystyrene pŏlˌēstīˈrēn [key], widely used plastic; it is a polymer of styrene. Polystyrene is a colorless, transparent thermoplastic that softens slightly above 100℃ (212℉) and becomes a v...

Coffin, Charles Albert

(Encyclopedia)Coffin, Charles Albert, 1844–1926, American businessman, b. Fairfield, Maine. After working in his uncle's shoe business in Lynn, Mass., he established his own shoe factory, Coffin and Clough. In 18...