Definition of ferratin in US English:

ferratin

noun

Biochemistry
historical
  • An iron-containing substance obtained from liver tissue, probably a mixture of ferritin and other proteins.

Origin

Late 19th century. From classical Latin ferrātus bound or covered with iron, clad in armour, armoured, (of water) impregnated with iron (from ferrum iron + -ātus) + -in.

Pronunciation

ferratin

/ˈfɛrətɪn/