yttro- Min.,|ˌɪtrəʊ|used as combining form of yttrium in names of minerals containing yttrium, the second element usually indicating the other metallic constituent, sometimes an allied mineral: as yttrocerite |-ˈsɪəraɪt| [cerium], yttrocoˈlumbite [columbium], yttroˈgummite [gummite], yttroˈtantalite [tantalum], yttroˈtitanite [titanium]: see quots. yttroˈtungstite, a basic oxide of yttrium and tungsten, YW₂O₆(OH)₃, occurring as yellow monoclinic crystals.1817T. Thomson Syst. Chem. (ed. 5) III. 495 *Yttrocerite..occurs at Finbo in Sweden... It is found in amorphous masses,..disseminated through quartz.1868Watts Dict. Chem. V. 1065 Yttrocerite, a mineral consisting of fluoride of yttrium mixed with the fluorides of cerium and calcium.1819W. Phillips Elem. Introd. Min. (ed. 2) 202 *Yttro⁓columbite... It consists, according to Vauquelin, of 45 oxide of columbium, 55 of yttria and oxide of iron.1879Jrnl. Chem. Soc. XXXVI. 365 *Yttrogummite..is the final product of the decomposition of clevite.1850Watts tr. Gmelin's Handbk. Chem. IV. 19 Samarskite.—This mineral, first named Urano-tantalite or Columbite, and afterwards called *Yttro-ilmenite by Hermann.1809Wollaston in Phil. Trans. XCIX. 246 The two Swedish minerals, tantalite and *yttro-tantalite, from which I could obtain tantalum.1868Dana Min. (ed. 5) 519 Yttrotantalite..Color black, brown, brownish-yellow, straw-yellow... Tantalate of yttria and lime, or yttria, lime, and iron, with some protoxyd of uranium.1828Whewell Ess. Min. Classif. & Nomencl. 52 *Yttro-Tantalum Oxide.1854Dana Syst. Min. (ed. 4) II. 341 Keilhauite,..*Yttrotitanite.1868Watts Dict. Chem. V. 1065 Yttrotitanite. Keilhauite. A silicotitanate containing lime, yttria, ferric oxide, and alumina, with small quantities of other bases.1950E. H. Beard in Colonial Geol. & Mineral Resources I. 51 The results show conclusively that the term ‘thorotungstite’ is inapplicable as a true description of the mineral... It is suggested that the mineral in future be called yttrotungstite.1971Mineral. Mag. XXXVIII. 262 All the specimens studied consisted mainly of a fine-grained aggregate of pale-yellow earthy yttrotungstite, with rare druses lined by yttrotungstite crystals.

yttro- /ˌɪtrəʊ/ combining form. E19.

ORIGIN: from yttrium: see -o-.

Mineralogy. Forming the names of minerals containing yttrium, the second element usu. indicating the other metallic constituent, as yttrotungstite etc.

yttro-

Prefix

Containing yttrium.

Derived terms

yttrobetafite

yttrocerite

yttrocolumbite

yttrocrasite

yttrofluorite

yttrogummite

yttropyrochlore

yttrotantalite

yttrotitanite

yttrotungstite

词汇	yttro-
词根词缀	OED SOED Wiktionary yttro- Min.,\|ˌɪtrəʊ\|used as combining form of yttrium in names of minerals containing yttrium, the second element usually indicating the other metallic constituent, sometimes an allied mineral: as yttrocerite \|-ˈsɪəraɪt\| [cerium], yttrocoˈlumbite [columbium], yttroˈgummite [gummite], yttroˈtantalite [tantalum], yttroˈtitanite [titanium]: see quots. yttroˈtungstite, a basic oxide of yttrium and tungsten, YW₂O₆(OH)₃, occurring as yellow monoclinic crystals.1817T. Thomson Syst. Chem. (ed. 5) III. 495 Yttrocerite..occurs at Finbo in Sweden... It is found in amorphous masses,..disseminated through quartz.1868Watts Dict. Chem.* V. 1065 Yttrocerite, a mineral consisting of fluoride of yttrium mixed with the fluorides of cerium and calcium.1819W. Phillips Elem. Introd. Min. (ed. 2) 202 Yttro⁓columbite... It consists, according to Vauquelin, of 45 oxide of columbium, 55 of yttria and oxide of iron.1879Jrnl. Chem. Soc. XXXVI. 365 Yttrogummite..is the final product of the decomposition of clevite.1850Watts tr. Gmelin's Handbk. Chem. IV. 19 Samarskite.—This mineral, first named Urano-tantalite or Columbite, and afterwards called Yttro-ilmenite by Hermann.1809Wollaston in Phil. Trans.* XCIX. 246 The two Swedish minerals, tantalite and yttro-tantalite, from which I could obtain tantalum.1868Dana Min.* (ed. 5) 519 Yttrotantalite..Color black, brown, brownish-yellow, straw-yellow... Tantalate of yttria and lime, or yttria, lime, and iron, with some protoxyd of uranium.1828Whewell Ess. Min. Classif. & Nomencl. 52 Yttro-Tantalum Oxide.1854Dana Syst. Min.* (ed. 4) II. 341 Keilhauite,..Yttrotitanite.1868Watts Dict. Chem.* V. 1065 Yttrotitanite. Keilhauite. A silicotitanate containing lime, yttria, ferric oxide, and alumina, with small quantities of other bases.1950E. H. Beard in Colonial Geol. & Mineral Resources I. 51 The results show conclusively that the term ‘thorotungstite’ is inapplicable as a true description of the mineral... It is suggested that the mineral in future be called yttrotungstite.1971Mineral. Mag. XXXVIII. 262 All the specimens studied consisted mainly of a fine-grained aggregate of pale-yellow earthy yttrotungstite, with rare druses lined by yttrotungstite crystals. yttro- /ˌɪtrəʊ/ combining form. E19. ORIGIN: from yttrium: see -o-. Mineralogy. Forming the names of minerals containing yttrium, the second element usu. indicating the other metallic constituent, as yttrotungstite etc. yttro- Prefix Containing yttrium. Derived terms yttrobetafite yttrocerite yttrocolumbite yttrocrasite yttrofluorite yttrogummite yttropyrochlore yttrotantalite yttrotitanite yttrotungstite
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