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ironclad

(Encyclopedia)ironclad, mid-19th-century wooden warship protected from gunfire by iron armor. The success of the ironclad when first employed by the French in the Crimean War sparked a naval armor and armaments rac...

horseshoe

(Encyclopedia)horseshoe, narrow plate, commonly of iron or steel, shaped to fit a horse's hoof and attached to the hoof by nailing it to the inner edge of the horny wall of the hoof. Horseshoes vary from the light ...

amphibole

(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...

olivine

(Encyclopedia)olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...

Palencia

(Encyclopedia)Palencia pälānˈthēä [key], city (1990 pop. 77,464), capital of Palencia prov., N central Spain, in Castile and León. An industrial center with iron foundries, textile mills, and chemical plants,...

Mariupol

(Encyclopedia)Mariupol zhdänˈəf [key], city (1989 pop. 520,000), SE Ukraine, on the Sea of Azov and at the mouth of the Kalmius River. A seaport and railroad terminus, Mariupol is also an iron and steel center w...

Kroehl, Julius Hermann

(Encyclopedia)Kroehl, Julius Hermann, 1820–67, German-American inventor and engineer, b. Memel, Prussia (now Klaipeda, Lithuania). Immigrating in 1844 to the United States, he became an iron manufacturer and civi...

Maldon

(Encyclopedia)Maldon môlˈdən [key], town (1991 pop. 14,754) and district, Essex, E England, on the Blackwater estuary. Maldon is a market town with iron foundries and other small industries. The Maldon area has ...

Arbroath

(Encyclopedia)Arbroath ăbˌərbrəthŏkˈ [key], town, Angus, E central Scotland, on the North Sea at the mouth of the Brothock River. A seaport, it is known for its smoked haddock, sh...

teff

(Encyclopedia)teff, annual plant, Eragrostis tef, of the grass family (Poaceoe), whose seeds are a staple grain in Ethiopia and Eritrea. It is a gluten-free cereal grain, high in iron, protein, calcium, vitamin C, ...