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Gutiérrez Nájera, Manuel

(Encyclopedia)Gutiérrez Nájera, Manuel mänwĕlˈ go͞otyārˈrās näˈhārä [key], 1859–95, Mexican poet and journalist. One of the precursors of modernismo, he founded the literary periodical Revista Azul. ...

Heckel, Erich

(Encyclopedia)Heckel, Erich āˈrĭkh hĕkˈəl [key], 1883–1970, German painter. In 1905, Heckel, together with Kirchner and Schmidt-Rottluff, founded the Brücke in Dresden. His paintings of this period (e.g., ...

stibnite

(Encyclopedia)stibnite stĭbˈnīt [key], antimony sulfide, Sb2S3, a mineral, silvery gray in color, with a metallic luster. It crystallizes in the orthorhombic system. Found in many parts of the world, it is the m...

Signac, Paul

(Encyclopedia)Signac, Paul pōl sēnyäkˈ [key], 1863–1935, French neoimpressionist painter. First influenced by Monet, he was later associated with Seurat in developing the divisionist technique. Interested in ...

sperm oil

(Encyclopedia)sperm oil, liquid wax obtained from the sperm whale, or cachalot, and related marine mammals. It flows readily, is clear, and varies in color from pale yellow to brownish yellow. Chemically it is not ...

phenolphthalein

(Encyclopedia)phenolphthalein fēˈnôlthălˈēən [key], or 2,2-Bis(p-hydroxyphenyl) phthalide, C20H14O4, crystalline organic compound. It is used medicinally as a laxative and is widely employed in the laborator...

whippet

(Encyclopedia)whippet, breed of small, slender hound developed in England in the mid-18th cent. It stands between 18 and 22 in. (45.7–55.8 cm) high at the shoulder and weighs about 20 lb (9 kg). Its close-lying, ...

dye

(Encyclopedia)dye, any substance, natural or synthetic, used to color various materials, especially textiles, leather, and food. Natural dyes are so called because they are obtained from plants (e.g., alizarin, cat...

Negro, Río, river, Colombia, Venezuela, and Brazil

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], river, c.1,400 mi (2,250 km) long, rising as the Guainía River in E Colombia where it flows NE before turning south to form part of the Colombia-Venezuela border....

obsidian

(Encyclopedia)obsidian ŏbsĭdˈēən [key], a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture. The color is commonly black, but may be some s...