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A metal (from Ancient Greek μέταλλον (métallon) 'mine, quarry, metal') is a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. These properties are all associated with having electrons available at the Fermi level, as against nonmetallic materials which do not. [1] : .
METAL definition: 1. a chemical element, such as iron or gold, or a mixture of such elements, such as steel, that is…. Learn more.
The meaning of METAL is any of various opaque, fusible, ductile, and typically lustrous substances that are good conductors of electricity and heat, form cations by loss of electrons, and yield basic oxides and hydroxides; especially : one that is a chemical element as distinguished from an alloy.
Metals are natural compounds of earth’s crust, in which they are generally found in the form of metal ores, associated both with each other and with many other elements. They are also naturally present in the rocks washed by surface water and groundwater and in atmospheric dust.
Metal, any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light. Approximately three-quarters of all known chemical elements are metals. Learn more about metals in this article.
Sep 22, 2019 · The definition of metal: A substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions . Metals are otherwise defined according to their position on the Periodic Table .
METAL meaning: 1. a chemical element, such as iron or gold, or a mixture of such elements, such as steel, that is…. Learn more.
Metal definition: any of a class of elementary substances, as gold, silver, or copper, all of which are crystalline when solid and many of which are characterized by opacity, ductility, conductivity, and a unique luster when freshly fractured.. See examples of METAL used in a sentence.
noun [ C, U ] uk/ˈmetəl/us. Add to word listAdd to word list. B1. a usually hard, shiny material such as iron, gold, or silver which heat and electricity can travel through: scrap metal. Metals are used for making machinery and tools. a metal sheet / bar. More examplesFewer examples.
a type of solid mineral substance that is usually hard and shiny and that heat and electricity can travel through, for example tin, iron and gold. a piece/sheet of metal. a metal pipe/bar/box/plate. a heap of scrap metal. a roof of sheet metal. The frame is made of metal.
