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WordReference Random House Unabridged Dictionary of American English © 2024mar•tens•ite (mär′tn zīt′),USA pronunciation n. [Metall.]- Metallurgya metastable microconstituent of any of various forms of carbon steel, produced by undercooling sufficiently below the normal transformation temperature, esp. a hard, brittle product of the decomposition of austenite, produced in this way.
- see -ite1 1895–1900; named after Adolf Martens (died 1914), German metallurgist
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