Definition of ferrinatrite in US English:

ferrinatrite

noun

Mineralogy
  • A rare mineral consisting of hydrated sodium iron(iii) sulphate, usually occurring as aggregates of greenish- or purplish-white fibrous crystals. Formerly called ferronatrite.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From ferri- + -natrite, after German Ferrinatrit.

Pronunciation

ferrinatrite

/ˌfɛrɪˈneɪtrʌɪt/