Definition of pinite in US English:

pinite

noun

Mineralogy
  • A grey-green or brownish mica formed as a pseudomorph by the alteration of other minerals such as spodumene or cordierite.

noun

Chemistry
  • A sweet-tasting carbohydrate, C₇H₁₄O₆, that is a methyl derivative of inositol occurring in the sap of the sugar pine, Pinus lambertiana.

Origin

Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From the name of the Pini mine, Schneeberg, Saxony, where the mineral was first found + -ite, after German Pinit<br>mid 19th century; earliest use found in American Journal of Science. From French pinite from classical Latin pīnus + French -ite.

Pronunciation

pinite

/ˈpʌɪnʌɪt/