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grayling

(Encyclopedia)grayling, common name for a brilliantly colored fish belonging to the genus Thymallus, of the family Salmonidae (salmon family), and closely allied to the smelt. Graylings are found chiefly in clear, ...

flame test

(Encyclopedia)flame test, test used in the identification of certain metals. It is based on the observation that light emitted by any element gives a unique spectrum when passed through a spectroscope. When a salt ...

Price, Leontyne

(Encyclopedia)Price, Leontyne lāˈəntēn [key], 1927–, American soprano, b. Laurel, Miss., as Mary Violet Leontine Price. She studied voice at Juilliard with Florence Page Kimball. Subsequently she appeared as ...

blue jay

(Encyclopedia)blue jay, common name for a familiar bird (Cyanocitta cristata) of central and E North America, allied to the crow, the raven, and the magpie, belonging to the family Corvidae. Almost a foot (30 cm) l...

Saint David's

(Encyclopedia)Saint David's, Welsh Tyddewi, small town, Pembrokeshire, SW Wales. The renowned town cathedral is mainly Transitional Norman in style, built of red-violet stone. Among its features is the late 13th-ce...

prism

(Encyclopedia)prism, in optics, a piece of translucent glass or crystal used to form a spectrum of light separated according to colors. Its cross section is usually triangular. The light becomes separated because d...

Philip III, king of France

(Encyclopedia)Philip III (Philip the Bold), 1245–85, king of France (1270–85), son and successor of King Louis IX. He secured peaceful possession of Poitou, Auvergne, and Toulouse by a small cession (1279) to E...

Green, Hetty

(Encyclopedia)Green, Hetty, 1835–1916, American financier, b. Henrietta Howland Robinson, New Bedford, Mass. She inherited a large fortune from her father and invested it so shrewdly that she was considered the g...

Clare, John

(Encyclopedia)Clare, John, 1793–1864, English poet. A romantic poet who wrote shortly after the vogue for such verse, he had a profound and singular gift for capturing nature in exquisitely specific detail. The s...

Dreyer, Carl Theodor

(Encyclopedia)Dreyer, Carl Theodor kärl tāˈōdôrˌ drīˈər [key], 1889–1968, Danish motion picture director. He began making films in Denmark in 1919. His Passion of Joan of Arc (1928), widely regarded as a...