Definition of oosite in English:

oosite

(also oösite)

noun

Mineralogy
rare
  • An aluminosilicate of ferrous iron and alkali metals which is a pseudomorph of pinite.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Oösit from the name of the Oos valley, in Baden-Württemberg, Germany, where the mineral was first found + -it.

Pronunciation

oosite

/ˈəʊəsʌɪt/