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acetate

(Encyclopedia)acetate ăsˈĭtātˌ [key], one of the most important forms of artificial cellulose-based fibers; the ester of acetic acid. The first patents for the production of fibers from cellulose acetate appea...

A

(Encyclopedia)A, first letter of the alphabet. A is a usual symbol for a low central vowel, as in father; the English long a (ā) is pronounced as a diphthong of ĕ and y. The corresponding letter of the Greek alph...

Franceschini, Marcantonio

(Encyclopedia)Franceschini, Marcantonio fränchāskēˈnē [key], 1648–1729, Italian painter of the Bolognese school. After working as Carlo Cignani's assistant for more than 10 years, Franceschini developed an ...

F

(Encyclopedia)F, sixth letter of the alphabet. The Greek letter corresponding to it, digamma, which probably represented a sound like w, disappeared before the classical period. In Western alphabets f has usually r...

Riley, Charles Valentine

(Encyclopedia)Riley, Charles Valentine, 1843–95, American entomologist, b. England. He emigrated to the United States in 1860 and served as state entomologist (1868–77) of Missouri and as entomologist (1878–7...

Miami, river, United States

(Encyclopedia)Miami mīămˈē, –ə [key] or Great Miami, river, c.160 mi (260 km) long, formed in W Ohio near Indian Lake and flowing generally SW past Dayton to the Ohio River at the Ind. line. The Miami River ...

missal

(Encyclopedia)missal [Lat.,=of the mass], in the Roman Catholic Church, liturgical book containing all directions and texts necessary for the performance of Mass throughout the year. The Roman Missal (Missale Roman...

Maiden Castle

(Encyclopedia)Maiden Castle, prehistoric fortress, Dorset, S England, near Dorchester. The finest earthwork in the British Isles, c.120 acres (50 hectares) in area, is there. Two sets of large-scale excavations at ...

E, letter of the alphabet

(Encyclopedia)E, fifth letter of the alphabet. It is a usual symbol for a mid-front vowel, such as ĕ in the English step. A mid-front vowel was represented by Greek epsilon [Gr.,=e without the aspirate], to which ...

Cressy, Hugh Paulinus

(Encyclopedia)Cressy, Hugh Paulinus krĕˈsē [key], 1605–74, English Benedictine monk. He was educated at Oxford and converted to Roman Catholicism in Rome in 1646. His Exomologesis (1647) is an apologia for his...