pentahydriten.

Brit.

/ˌpɛntəˈhʌɪdrʌɪt/, U.S.

/ˌpɛn(t)əˈhaɪˌdraɪt/

Origin: Formed within English, by derivation. Etymons: pentahydrate n. at penta- comb. form 2b, -ite suffix¹.

Etymology: < pentahydr- (in pentahydrate n. at penta- comb. form 2b) + -ite suffix¹; coined by C. Frondel in 1948 (see quot. 1951).

Mineralogy.

A magnesium-containing mineral which occurs as massive, granular, white to light blue crystals.Pentahydrite is magnesium sulphate pentahydrate, MgSO₄·5H₂O. Crystal system: triclinic.

ΘΚΠ

the world > the earth > minerals > types of mineral > sulphates > [noun] > other simple sulphates > hydrous or hydrated

aluminite1805

websterite1823

mascagnine1836

morenosite1868

mallardite1883

szmikite1892

hexahydrite1911

minasragrite1915

retgersite1949

pentahydrite1951

1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 492 Pentahydrite Frondel (priv. comm., 1948).

1972 Acta Crystallogr. B. 28 1448/2 Magnesium sulfate pentahydrate has even been reported..to occur as a mineral (pentahydrite).

1998 Science (Nexis) 22 May 1242 Other Mg sulfates..such as pentahydrite..do not exhibit sufficiently distorted water bands to match Europa's spectrum.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pentahydrite
释义	pentahydriten. Brit. /ˌpɛntəˈhʌɪdrʌɪt/, U.S. /ˌpɛn(t)əˈhaɪˌdraɪt/ Origin: Formed within English, by derivation. Etymons: pentahydrate n. at penta- comb. form 2b, -ite suffix¹. Etymology: < pentahydr- (in pentahydrate n. at penta- comb. form 2b) + -ite suffix¹; coined by C. Frondel in 1948 (see quot. 1951). Mineralogy. A magnesium-containing mineral which occurs as massive, granular, white to light blue crystals.Pentahydrite is magnesium sulphate pentahydrate, MgSO₄·5H₂O. Crystal system: triclinic. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > other simple sulphates > hydrous or hydrated aluminite1805 websterite1823 mascagnine1836 morenosite1868 mallardite1883 szmikite1892 hexahydrite1911 minasragrite1915 retgersite1949 pentahydrite1951 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 492 Pentahydrite Frondel (priv. comm., 1948). 1972 Acta Crystallogr. B. 28 1448/2 Magnesium sulfate pentahydrate has even been reported..to occur as a mineral (pentahydrite). 1998 Science (Nexis) 22 May 1242 Other Mg sulfates..such as pentahydrite..do not exhibit sufficiently distorted water bands to match Europa's spectrum. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1951
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