(metallurgy) A metal, such as molybdenum or tungsten, with a high refraction, and hence a high melting point.

plural of metamorphic rock

(inorganic chemistry) Any of several arsenite anions containing multiple arsenic atoms e.g. [AsO₂⁻]ₙ; any salt containing such an anion

(music) a genre of heavy metal with a Christian theme

A combination of medical disorders that increase the risk of developing cardiovascular disease and diabetes.

plural of metaarsenite

rare earth element

(chemistry, obsolete) Any of the four metals aluminum, gallium, indium and thallium of the boron group in the periodic table of elements.

An abrasive, distorted subgenre of heavy metal music influenced by hardcore punk and doom metal.

An alloy of tin, copper, and mercury, sometimes formerly used for the bearings and packings of machinery.