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zinc

(Encyclopedia)zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in Group 12 o...

carbon monoxide

(Encyclopedia)carbon monoxide, chemical compound, CO, a colorless, odorless, tasteless, extremely poisonous gas that is less dense than air under ordinary conditions. It is very slightly soluble in water and burns ...

pesticide

(Encyclopedia)pesticide, biological, physical, or chemical agent used to kill plants or animals that are harmful to people; in practice, the term pesticide is often applied only to chemical agents. Various pesticid...

Inagua

(Encyclopedia)Inagua ēnäˈgwä [key], island group of the Bahamas. A virtually isolated cluster at the southern end of the archipelago, it includes Great Inagua, Little Inagua, and some islets. Matthew Town is th...

halophyte

(Encyclopedia)halophyte hălˈəfītˌ [key], any plant, especially a seed plant, that is able to grow in habitats excessively rich in salts, such as salt marshes, sea coasts, and saline or alkaline semideserts and...

Glauber, Johann Rudolf

(Encyclopedia)Glauber, Johann Rudolf yōˈhän ro͞oˈdôlf glouˈbər [key], 1604–70, German alchemist. A forerunner of scientific chemists, Glauber made many practical advances in analytical chemistry; he devis...

Kagawa

(Encyclopedia)Kagawa kägäˈwä [key], prefecture (1990 pop. 1,023,434), N Shikoku, Japan. Takamatsu is the capital. It is an agricultural region (rice, barley, wheat, mandarin oranges) with a mountainous and fore...

Slovyansk

(Encyclopedia)Slovyansk sləvyänskˈ [key], city (1989 pop. 135,000), E Ukraine, in the Donets Basin. It is a railroad junction and has salt and soda works. Manufactures include machinery, ceramics, and pencils. N...

Bakhtegan

(Encyclopedia)Bakhtegan bäkhtĕgänˈ [key], salt lake, c.60 mi (100 km) long, in the Zagros Mts., S Iran; fed by the Kor River. The town of Neyriz was once on its shores, but because of the lake's shrinkage it is...

Styria

(Encyclopedia)Styria shtīˈərmärk [key], province (1991 pop. 1,184,593), 6,324 sq mi (16,379 sq km), central and SE Austria. Graz is the capital. Bordering on Slovenia in the south, Styria is predominately mount...