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safety lamp

(Encyclopedia)safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to Sir Humphry Davy...

nucleotide

(Encyclopedia)nucleotide no͞oˈklēətīdˌ, nyo͞oˈ– [key], organic substance that serves as a monomer in forming nucleic acids. Nucleotides consist of either a purine or a pyrimidine base, a ribose or deoxyri...

Olney, Richard

(Encyclopedia)Olney, Richard, 1835–1917, American cabinet member, b. Oxford, Mass. He was a successful Boston lawyer and had served briefly in the state legislature before President Cleveland appointed him to his...

net neutrality

(Encyclopedia)net neutrality, the principle or requirement that Internet service providers (ISPs) allow equal access to all Internet content. The issue of insuring net neutrality has become of greater concern as In...

Williams, Sir Bernard

(Encyclopedia)Williams, Sir Bernard (Sir Bernard Arthur Owen Williams), 1929–2003, English philosopher, grad. Oxford (1951). One of the most important philosophers of his era, he is credited with reviving the fie...

Simon, Jules

(Encyclopedia)Simon, Jules zhül sēmôNˈ [key], 1814–96, French statesman. His full name was Jules François Simon Suisse. He taught philosophy at the Sorbonne from 1839 to 1852, during which time he edited the...

Butler, Joseph

(Encyclopedia)Butler, Joseph, 1692–1752, English bishop and exponent of natural theology. Butler held a series of church offices, ending his career as bishop of Durham. His principle writings are Fifteen Sermons ...

Morgan, Lewis Henry

(Encyclopedia)Morgan, Lewis Henry, 1818–81, American anthropologist, b. Aurora, N.Y., grad. Union College, Schenectady, 1840. Practicing as a lawyer, he became interested in the Native Americans of his locality, ...

Lord's Supper

(Encyclopedia)Lord's Supper, Protestant rite commemorating the Last Supper. In the Reformation the leaders generally rejected the traditional belief in the sacrament as a sacrifice and as an invisible miracle of th...

Graves, Robert Ranke

(Encyclopedia)Graves, Robert Ranke, 1895–1985, English poet, novelist, and critic; son of Alfred Percival Graves. He established his reputation with Good-bye to All That (1929), an outspoken book on his war exper...