alkali metal (redirected from Metals, alkali)

metal /met·al/ (met´'l) any element marked by luster, malleability, ductility, and conductivity of electricity and heat and which will ionize positively in solution.metal´lic

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alkali metal  any of a group of monovalent metals, including lithium, sodium, potassium, rubidium, and cesium.

heavy metal  one with a high specific gravity, usually defined as over 5.0; some cause heavy metal poisoning.

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alkali metal

n.

Any of a group of soft, white, low-density, low-melting, highly reactive metallic elements, including lithium, sodium, potassium, rubidium, cesium, and francium.

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metal [met´'l]

any chemical element marked by luster, malleability, ductility, and conductivity of electricity and heat, and which will ionize positively in solution. adj., adj metal´lic.

alkali metal one of a group of monovalent elements including lithium, sodium, potassium, rubidium, and cesium.

metal fume fever an occupational disorder with malaria-like symptoms occurring in those engaged in welding and other metallic operations and due to the volatilized metals. It includes brassfounder's fever (brass chill, brazier's chill) and spelter's fever (zinc chill, zinc fume fever).

heavy metal one with a high specific gravity, usually defined to be above 5.0.

heavy metal poisoning poisoning with any of the heavy metals, particularly antimony, arsenic, cadmium, lead, mercury, thallium, or zinc.

noble metal a metal that is highly resistant to oxidation and corrosion.

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metal

any chemical element marked by luster, malleability, ductility and conductivity of electricity and heat, and which will ionize positively in solution.

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alkali metal

one of a group of monovalent elements including lithium, sodium, potassium, rubidium and cesium.

metal detector

a portable electronic device used to detect metal in the reticulum of cows. Most clinically normal cows fed on prepared rations give positive results.

metal implants

see implant.

metal retriever

a long, probang-like instrument, passed orally into the reticulum in cattle for the retrieval of metallic foreign bodies that might cause traumatic reticuloperitonitis.