英语词汇“ferrocolumbite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ferrocolumbite n.

Brit.

/ˌfɛrə(ʊ)kəˈlʌmbʌɪt/

/ˌfɛrə(ʊ)ˈkɒləmbʌɪt/

U.S.

/ˌfɛroʊˈkɑləmˌbaɪt/

†(a) the mineral tantalite, formerly mistakenly believed to contain niobium (columbium) rather than tantalum (obsolete rare); (b) (an iron-rich variety of) the mineral columbite.

ΚΠ

1844 C. U. Shepard Treat. Mineral. (ed. 2) 154 Ferrocolumbite..Form as above [sc. columbite]. (Lo. Kimito and Tamela, Finland. Col. acid 83.2, protox. iron 7.2, protox mang. 7.4, ox. tin 0.6. Berzelius.).

1921 Bull. U.S. Geol. Surv. No. 679. 60 Ferrocolumbite. Haddon, Conn... Translucent only on very thin edges. Absorption rather strong.

2010 K. R. Long et al. Principal Rare Earth Elements Deposits U. S. 32 Columbite and tantalite are obsolete names for a mineral series; columbite is now named ferrocolumbite (Fe²⁺Nb₂O₆).

单词	ferrocolumbite
释义	> as lemmas ferrocolumbite ferrocolumbite n. Brit. /ˌfɛrə(ʊ)kəˈlʌmbʌɪt/ , /ˌfɛrə(ʊ)ˈkɒləmbʌɪt/ , U.S. /ˌfɛroʊˈkɑləmˌbaɪt/ †(a) the mineral tantalite, formerly mistakenly believed to contain niobium (columbium) rather than tantalum (obsolete rare); (b) (an iron-rich variety of) the mineral columbite. ΚΠ 1844 C. U. Shepard Treat. Mineral. (ed. 2) 154 Ferrocolumbite..Form as above [sc. columbite]. (Lo. Kimito and Tamela, Finland. Col. acid 83.2, protox. iron 7.2, protox mang. 7.4, ox. tin 0.6. Berzelius.). 1921 Bull. U.S. Geol. Surv. No. 679. 60 Ferrocolumbite. Haddon, Conn... Translucent only on very thin edges. Absorption rather strong. 2010 K. R. Long et al. Principal Rare Earth Elements Deposits U. S. 32 Columbite and tantalite are obsolete names for a mineral series; columbite is now named ferrocolumbite (Fe²⁺Nb₂O₆). extracted from ferro-comb. form < as lemmas
随便看	exospheric exosporal exospore exospores exosporous exossate exossated exossation exosseous exoster exostome exostosated exostosed exostoses exostosis exostotic exostracism exostracize exostracized exotentacle exoteric exoterical exoterically exotericism exotericist

> as lemmas