Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of niobate is as below...

Fergusonite :: Fergusonite (n.) A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson..

Niobate :: Niobate (n.) Same as Columbate.

Columbate :: Columbate (n.) A salt of columbic acid; a niobate. See Columbium.

Pyrochlore :: Pyrochlore (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..

Columbite :: Columbite (n.) A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England..

Samarskite :: Samarskite (a.) A rare mineral having a velvet-black color and submetallic luster. It is a niobate of uranium, iron, and the yttrium and cerium metals..

Random Fonts

Most Popular