lanolin

• lanoline

Former trademark (1885-1902), from lāna (“wool”) + oleum (“oil”) + -in

• IPA^(key): /ˈlænəlɪn/

• Audio (Southern England):

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lanolin (usually uncountable, plural lanolins)

1. A greasy yellow substance chemically akin to wax that is secreted from wooly animals, with a variety of uses from rust prevention, lubrication and waterproofing to cosmetics and skin ointments.
   • 2009, Sarah Waters, The Little Stranger, Virago Press (2018), pages 138-139:

     She was sitting cross-legged on the floor with a tray of leather-bound books in front of her; she was rubbing lanolin into their covers […] ‘Look at these lovely old editions,’ she said, showing me a couple of small tan books, their bindings still glossy and moist from the lanolin, like newly exposed conkers.

• E913 when used as a glazing agent
• (greasy yellow substance): lanichol, laniol, wool fat, wool grease, wool wax, yolk

lanolin (third-person singular simple present lanolins, present participle lanolining, simple past and past participle lanolined)

1. (transitive) To treat with lanolin.