1. An emollient containing wool fat (a fatty substance obtained from the wool of sheep)
   "The moisturizer contained lanolin to soften the skin"
    
2. A yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics
   "Lanolin, derived from wool fat, is a common ingredient in moisturizers";
   - wool fat, wool grease

Derived forms: lanolins

Type of: animal oil, cream, emollient, ointment

Part of: balm, ointment, salve, unction, unguent

Encyclopedia: Lanolin