PYROCHLORE

Meaning of PYROCHLORE in English

( n. )

A niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster; -- so called from its becoming grass-green on being subjected to heat under the blowpipe.

Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012

PYROCHLORE — ˈpīrəˌklō(ə)r noun ( -s ) Etymology: German pyrochlor, from pyr- + Greek chlōros greenish yellow — more at yellow : …
Webster's New International English Dictionary
PYROCHLORE — (n.) A niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and …
Английский словарь Webster
PYROCHLORE — /puy"reuh klawr', -klohr'/ , n. a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the …
Random House Webster's Unabridged English Dictionary
PYROCHLORE — noun a niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and …
Webster English vocab
PYROCHLORE — a complex oxide mineral composed of niobium, sodium, and calcium (NaCaNb2O6F) that forms brown to black, glassy octahedral crystals and …
Britannica English vocabulary
PYROCHLORE — General Information: Chemical Formula: (Na,Ca)2Nb2O6(OH,F) Composition: (Molecular Weight = 353.84 gm) Sodium 9.75 % Na Calcium 5.66 % Ca Niobium …
Mineralogy Database English vocab
LEWISITE — I. ˈlüə̇ˌsīt noun ( -s ) Etymology: William J. Lewis died 1926 English mineralogist + English -ite : a mineral …
Webster's New International English Dictionary
PYRRHITE — ˈpiˌrīt noun ( -s ) Etymology: German pyrrhit, from pyrrh- + -it -ite : pyrochlore
Webster's New International English Dictionary
MICROLITE — ˈmīkrəˌlīt noun ( -s ) Etymology: micr- + -lite 1. : a mineral (Na,Ca) 2 Ta 2 O 6 (O,OH,F) …
Webster's New International English Dictionary
KOPPITE — ˈkäˌpīt noun ( -s ) Etymology: German koppit, from Hermann F. M. Kopp died 1892 German chemist + German -it …
Webster's New International English Dictionary
HATCHETTOLITE — -d.ōˌlīt noun ( -s ) Etymology: Charles Hatchett died 1847 + English -o- + -lite : a uranium-bearing pyrochlore
Webster's New International English Dictionary
THORIUM — (n.) A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray …
Английский словарь Webster
THORIUM — ( n. ) A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an …
Webster's Revised Unabridged English Dictionary
THORIUM — noun a metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, ·etc., and isolated as an infusible gray …
Webster English vocab
NIOBIUM — (Nb), chemical element, refractory metal of Group Vb of the periodic table, used in alloys, tools and dies, and superconductive …
Britannica English vocabulary
SIERRA LEONE RIVER — river, an estuary on the Atlantic, in western Sierra Leone. Formed by Port Loko Creek and the Rokel River, it …
Britannica English vocabulary
VUORIYARVITE — General Information: Chemical Formula: (K,Na)2(Nb,Ti)2Si4O12(O,OH)2·4(H2O) Composition: (Molecular Weight = 642.34 gm) Potassium 9.13 % K Sodium 1.79 % Na Titanium …
Mineralogy Database English vocab

Webster's Revised Unabridged English Dictionary

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