Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A white or light-colored zeolite, NaAlSi2O6·H2O, found in certain basalts.

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

  • noun (Min.) A white or flesh-red mineral, of the zeolite family, occurring in isometric crystals. By friction, it acquires a weak electricity; hence its name.

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

  • noun mineralogy A mineral, a sodium aluminosilicate with a chemical formula NaAlSi2O6·H2O, having a zeolite structure, found in alkaline basalts.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French, from Greek analkimos, weak (from its weak electric power) : an-, not; see a– + alkimos, brave (from alkē, strength).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named in 1801 after the property of attaining weak electricity when heated or subjected to friction, from the Greek word meaning "weak", ἀνάλκιμος (analkimos).

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