Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A zeolite mineral with the chemical formula CaAl2Si2O8·4(H2O).

from the GNU version of the Collaborative International Dictionary of English

  • n. A native hydrated silicate of alumina, lime, and potash, first noticed near Rome.

from The Century Dictionary and Cyclopedia

  • n. A mineral which is a hydrous silicate of aluminium and calcium, found near Rome in white translucent octahedral crystals.

Etymologies

Carlo Giuseppe Gismondi (1762-1824), Italian mineralogist, and -ine. (Wiktionary)

Examples

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