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[mahr-tn-zahyt] /ˈmɑr tnˌzaɪt/
noun, Metallurgy
a metastable microconstituent of any of various forms of carbon steel, produced by undercooling sufficiently below the normal transformation temperature, especially a hard, brittle product of the decomposition of austenite, produced in this way.
Origin of martensite
1895-1900; named after Adolf Martens (died 1914), German metallurgist; see -ite1
Related forms
[mahr-tn-zit-ik] /ˌmɑr tnˈzɪt ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for martensite


a constituent formed in steels by rapid quenching, consisting of a supersaturated solid solution of carbon in iron. It is formed by the breakdown of austenite when the rate of cooling is large enough to prevent pearlite forming
Derived Forms
martensitic (ˌmɑːtɪnˈzɪtɪk) adjective
Word Origin
C20: named after Adolf Martens (died 1914), German metallurgist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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