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carpe diem

(Encyclopedia)carpe diem kärˈpĕ dēˈĕm [key], a descriptive term for literature that urges readers to live for the moment [from the Latin phrase “seize the day,” used by Horace]. The theme, which was widel...

alexandrine

(Encyclopedia)alexandrine ălˌĭgzănˈdrēnˌ, –drīnˌ [key], in prosody, a line of 12 syllables (or 13 if the last syllable is unstressed). Its name probably derives from the fact that some poems of the 12th ...

pentameter

(Encyclopedia)pentameter pĕntămˈətər [key] [Gr.,=measure of five], in prosody, a line to be scanned in five feet (see versification). The third line of Thomas Nashe's “Spring” is in pentameter: “Cold dot...

racquets

(Encyclopedia)racquets, game played by two or four persons on a court 60 by 30 ft (18.3 m by 9.1 m); it is surrounded by three walls 30 ft (9.1 m) high and a backwall 15 ft (4.6 m) high. The ball, 1 in. (2.54 cm) i...

e-commerce

(Encyclopedia)e-commerce, commerce conducted over the Internet, most often via the World Wide Web. E-commerce can apply to purchases made through the Web or to business-to-business activities such as inventory tran...

metaphor

(Encyclopedia)metaphor [Gr.,=transfer], in rhetoric, a figure of speech in which one class of things is referred to as if it belonged to another class. Whereas a simile states that A is like B, a metaphor states th...

Transandine Railway

(Encyclopedia)Transandine Railway, former rail line, 156 mi (251 km) long, between Mendoza, Argentina, and Los Andes, Chile, traversing the Andes at Uspallata Pass. Opened to traffic in 1910, the railway rose to c....

cylinder

(Encyclopedia)CE5 Cylinder cylinder, in mathematics, surface generated by a line moving parallel to a given fixed line and continually intersecting a given fixed curve called the directrix; each line of the fam...

Lobachevsky, Nikolai Ivanovich

(Encyclopedia)Lobachevsky, Nikolai Ivanovich nyĭkəlīˈ ēväˈnəvĭch ləbəchĕfˈskē [key], 1793–1856, Russian mathematician. A pioneer in non-Euclidean geometry, he challenged Euclid's fifth postulate tha...

staff

(Encyclopedia)staff, in musical notation, a set of horizontal lines upon and between which notes are written so as to determine their relative pitch, and in connection with a clef, their absolute pitch. Staffs with...