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sequence

(Encyclopedia)sequence, in mathematics, ordered set of mathematical quantities called terms. A sequence is said to be known if a formula can be given for any particular term using the preceding terms or using its p...

Coué, Émile

(Encyclopedia)Coué, Émile āmēlˈ kwā [key], 1857–1926, French psychotherapist. He is remembered for his formula for curing by optimistic autosuggestion, “Day by day, in every way, I am getting better and b...

Kopp, Hermann Franz Moritz

(Encyclopedia)Kopp, Hermann Franz Moritz hĕrˈmän fräntz mōˈrĭts kôp [key], 1817–92, German physical chemist and historian of chemistry. His research concerned the connection between the physical propertie...

progression

(Encyclopedia)progression, in mathematics, sequence of quantities, called terms, in which the relationship between consecutive terms is the same. An arithmetic progression is a sequence in which each term is derive...

Soddy, Frederick

(Encyclopedia)Soddy, Frederick sŏdˈē [key], 1877–1956, English chemist. He worked under Lord Rutherford at McGill Univ. and with Sir William Ramsay at the Univ. of London. After serving (1910–14) as lecturer...

Peacham, Henry

(Encyclopedia)Peacham, Henry, 1576?–1643?, English author, b. Hertfordshire, educated at Cambridge. The Compleat Gentleman (1622), his best-known work, offers his formula for the ideal Englishman. Among his other...

Corey, Elias James

(Encyclopedia)Corey, Elias James, 1928–, American organic chemist and educator, b. Methuen, Mass., grad. Massachusetts Institute of Technology (B.S. 1948, Ph.D. 1951). He has taught at the Univ. of Illinois (1951...

Book of Concord

(Encyclopedia)Book of Concord, name under which the collected documents of the authoritative confessions of faith of the Lutheran Church were published in 1580, the 50th anniversary of the Augsburg Confession. The ...

Canada Act

(Encyclopedia)Canada Act, also called the Constitutional Act of 1982, which made Canada a fully sovereign state. The British Parliament approved it on Mar. 25, 1982, and Queen Elizabeth II proclaimed it on Apr. 17,...

iodoform

(Encyclopedia)iodoform īōˈdəfôrmˌ [key], CHI3, yellow crystalline solid that has a penetrating odor. It melts at 119℃ and is insoluble in water but soluble in ether or ethanol. Iodoform was formerly used as...