pentahydroboriten.

Brit.

/ˌpɛntəhʌɪdrə(ʊ)ˈbɔːrʌɪt/, U.S.

/ˈˌpɛn(t)əˌhaɪdroʊˈbɔrˌaɪt/

Origin: Formed within English, by derivation; modelled on a Russian lexical item. Etymons: penta- comb. form, hydro- comb. form, boron n., -ite suffix¹.

Etymology: < penta- comb. form + hydro- comb. form + bor- (in boron n.) + -ite suffix¹, after Russian pentagidroborit (S. V. Malinko 1961, in Zapiski Vsesojuznogo Mineralogičeskogo Obščestva 90 673).

Mineralogy.

A mineral consisting of a pentahydrated calcium borate, CaB₂O₄·5H₂O, occurring as small, colourless crystals and belonging to the triclinic crystal system.

ΘΚΠ

the world > the earth > minerals > types of mineral > borates > [noun] > calcium borate

hayesine1844

priceite1873

colemanite1884

pandermite1885

inyoite1914

meyerhofferite1914

ginorite1934

tertschite1953

nifontovite1961

nobleite1961

pentahydroborite1962

uralborite1962

1962 Amer. Mineralogist 47 1482 (heading) New boron minerals—uralborite and pentahydroborite.

1973 Soviet Physics: Doklady 18 102/1 Pentahydroborite is the final member in the series of natural water-containing metaborates of calcium, all members of which are characterized by a constant ratio of CaO:B₂O₃ = 1:1 with the water content increasing from korzhinskite to pentahydroborite.

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

单词	pentahydroborite
释义	pentahydroboriten. Brit. /ˌpɛntəhʌɪdrə(ʊ)ˈbɔːrʌɪt/, U.S. /ˈˌpɛn(t)əˌhaɪdroʊˈbɔrˌaɪt/ Origin: Formed within English, by derivation; modelled on a Russian lexical item. Etymons: penta- comb. form, hydro- comb. form, boron n., -ite suffix¹. Etymology: < penta- comb. form + hydro- comb. form + bor- (in boron n.) + -ite suffix¹, after Russian pentagidroborit (S. V. Malinko 1961, in Zapiski Vsesojuznogo Mineralogičeskogo Obščestva 90 673). Mineralogy. A mineral consisting of a pentahydrated calcium borate, CaB₂O₄·5H₂O, occurring as small, colourless crystals and belonging to the triclinic crystal system. ΘΚΠ the world > the earth > minerals > types of mineral > borates > [noun] > calcium borate hayesine1844 priceite1873 colemanite1884 pandermite1885 inyoite1914 meyerhofferite1914 ginorite1934 tertschite1953 nifontovite1961 nobleite1961 pentahydroborite1962 uralborite1962 1962 Amer. Mineralogist 47 1482 (heading) New boron minerals—uralborite and pentahydroborite. 1973 Soviet Physics: Doklady 18 102/1 Pentahydroborite is the final member in the series of natural water-containing metaborates of calcium, all members of which are characterized by a constant ratio of CaO:B₂O₃ = 1:1 with the water content increasing from korzhinskite to pentahydroborite. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1962
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