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Archimedes' screw

(Encyclopedia)Archimedes' screw, a simple mechanical device believed to have been invented by Archimedes in the 3d cent. b.c. It consists of a cylinder inside of which a continuous screw, extending the length of th...

T'ao Yüan-ming

(Encyclopedia)T'ao Yüan-ming or T'ao Ch'ien, 365–427, Chinese poet. After several bitter experiences in government employment, he became a gentleman farmer. His poems, composed in simple diction at a time when o...

Campion, Thomas

(Encyclopedia)Campion or Campian, Thomas, 1567–1620, English poet, composer, and lutenist, a physician by profession. Campion wrote lyric poems that he and other composers set to music. His graceful, simple lute ...

Tacitus, Roman historian

(Encyclopedia)Tacitus (Cornelius Tacitus), c.a.d. 55–c.a.d. 117, Roman historian. Little is known for certain of his life. He was a friend of Pliny the Younger and married the daughter of Agricola. In a.d. 97 he ...

acetic acid

(Encyclopedia)acetic acid əsēˈtĭk [key], CH3CO2H, colorless liquid that has a characteristic pungent odor, boils at 118℃, and is miscible with water in all proportions; it is a weak organic carboxylic acid (s...

Nepos, Cornelius

(Encyclopedia)Nepos, Cornelius nēˈpŏs [key], c.100 b.c.–c.25 b.c., Roman historian. He was an intimate friend of Pomponius Atticus, Cicero, and Catullus. His only extant work is a collection of biographies, mo...

Giralda

(Encyclopedia)Giralda hērälˈdä [key], the famous tower adjoining the Cathedral of Seville, Spain. It was built (1163–84) to serve as minaret to the main mosque of Seville, on the site of which the cathedral n...

André, Brother

(Encyclopedia)André, Brother äNdrāˈ, änˈ– [key], 1845–1937, Canadian Roman Catholic mystic, b. St. Grégoire d'Iberville, Que. His secular name was Alfred Bissette, Bassette, or Bessette. For about 40 yea...

Pandora, in Greek mythology

(Encyclopedia)Pandora păndôrˈə [key], in Greek mythology, first woman on earth. Zeus ordered Hephaestus to create her as vengeance upon man and his benefactor, Prometheus. The gods endowed her with every charm,...

alod

(Encyclopedia)alod ăˈlŏd [key]. In feudal tenure, lands held without obligation to any suzerain (overlord) were termed held in alod. Alodial lands existed in England and on the Continent. They became less common...