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Definition of ptilolite in English:

ptilolite

noun

historical Mineralogy

  • A mineral now recognized as identical with mordenite.

Pronunciation

ptilolite

/ˈtɪlə(ʊ)lʌɪt/ /ˈtʌɪlə(ʊ)lʌɪt/

Origin

Late 19th century; earliest use found in William Cross (1804–1886).