Definitions

from The Century Dictionary.

  • noun In mineralogy, same as ceylonite. See spinel.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A black variety of spinel.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A black variety of spinel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a dark-colored spinel containing iron

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek abundant, rich; compare French pléonaste.

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Examples

  • It is simply titaniferous iron, iserine, pleonaste, ilmenite [Footnote: Or peroxide of iron, with 8 to 23 per cent, of blue oxide of titanium.] and degraded itabirite, the iron and quartz formation so called in the Brazil; and it is the same mineral which

    To The Gold Coast for Gold, Vol. II A Personal Narrative Richard Francis Burton 1855

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