docimasy, docimacy the branch of metallurgy involved in the assaying of ores or metals. See also greece and greeks. metallography the study of metals and their structures and properties by the use of microscopy and x rays. metallotherapy treatment of disease and illness with metals, particularly with the salt forms of metals. metallurgy the science of preparing metals for use by separating them from their ores and refining them, as by smelting. —metallurgist, n. —metallurgie, metallurgical, adj. radiometallography the study of metals and their structures by the use of x rays siderotechny Rare. the metallurgy of iron and steel.
- plural form of metal
- (rail transport) the rail tracks owned by a company or organisation; a rail network
- It was appropriate that 'King' number 6000 began the return to steam on British Rail metals in 1971.
- third-person singular simple present indicative form of metal