Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A black variety of spinel.

from the GNU version of the Collaborative International Dictionary of English

  • n. A black variety of spinel.

from The Century Dictionary and Cyclopedia

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

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

  • n. a dark-colored spinel containing iron

Etymologies

Ancient Greek abundant, rich; compare French pléonaste. (Wiktionary)

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

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