1. An admixture of cassein and albumen, at one time presumed to be the protein body in the yolk of an egg.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• citellin,
• bitellin,
• gitellin,
• fitellin,
• vutellin,
• vjtellin,
• vktellin,
• votellin,
• v9tellin,
• v8tellin,
• Vitallin,
• vitelline,
• Vetallin,
• Vitellen,
• Vitillin,
• Vittelin,
• Vittallin,
• Vittilin,
• Vitellinie,
• Viteleine

The plural of the "Vitellin" can be the "vitellins".

The singular of the "Vitellin" can be the "Vitellin".