troostiten.

/ˈtruːstʌɪt/

Etymology: < the name of Prof. G. Troost of Nashville, Tennessee: see -ite suffix¹.

1. Mineralogy. A variety of willemite n., with admixture of iron and manganese, occurring in reddish hexagonal crystals.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > olivine group > willemite

willemite1831

troostite1835

1835 C. U. Shepard Treat. Mineral. II. 247 Troostite..is found at Sterling (N.J.) associated with Franklinite.

1850 D. T. Ansted Elem. Course Geol. §448 Troostite, or Troolite, is a variety [of Bi-silicate of Manganese] containing iron.

1868 J. D. Dana Syst. Mineral. (ed. 5) 262 Willemite..Silicate of Zinc... The crystals of..New Jersey are often quite large, and pass under the name of troostite.

2. Metallurgy. A transitional constituent of steel: cf. martensite n., pearlite n., sorbite n.²

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > metal > steel > [noun] > constituents of steel

pearlite1888

martensite1898

sorbite1900

troostite1902

granular pearlite1910

bainite1935

1902 Encycl. Brit. XXIX. 572/2 Austenite, troostite, sorbite, and other constituents [of iron] have also been described.

Derivatives

troostitic adj.

/truːˈstɪtɪk/ relating to or consisting of troostite ( Cent. Dict. Suppl. 1909).

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	troostite
释义	troostiten. /ˈtruːstʌɪt/ Etymology: < the name of Prof. G. Troost of Nashville, Tennessee: see -ite suffix¹. 1. Mineralogy. A variety of willemite n., with admixture of iron and manganese, occurring in reddish hexagonal crystals. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > olivine group > willemite willemite1831 troostite1835 1835 C. U. Shepard Treat. Mineral. II. 247 Troostite..is found at Sterling (N.J.) associated with Franklinite. 1850 D. T. Ansted Elem. Course Geol. §448 Troostite, or Troolite, is a variety [of Bi-silicate of Manganese] containing iron. 1868 J. D. Dana Syst. Mineral. (ed. 5) 262 Willemite..Silicate of Zinc... The crystals of..New Jersey are often quite large, and pass under the name of troostite. 2. Metallurgy. A transitional constituent of steel: cf. martensite n., pearlite n., sorbite n.² ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > steel > [noun] > constituents of steel pearlite1888 martensite1898 sorbite1900 troostite1902 granular pearlite1910 bainite1935 1902 Encycl. Brit. XXIX. 572/2 Austenite, troostite, sorbite, and other constituents [of iron] have also been described. Derivatives troostitic adj. /truːˈstɪtɪk/ relating to or consisting of troostite ( Cent. Dict. Suppl. 1909). This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < n.1835
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