[ lan-l-in ]
/ ˈlæn l ɪn /


a fatty substance, extracted from wool, used in ointments, cosmetics, waterproof coatings, etc.

Words nearby lanolin

Also lan·o·line [lan-l-in, -l-een] /ˈlæn l ɪn, -lˌin/.

Origin of lanolin

1880–85; < Latin lān(a) wool + -ol2 + -in2
Also called wool fat.


lan·o·lat·ed [lan-l-ey-tid] /ˈlæn lˌeɪ tɪd/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for lanoline

British Dictionary definitions for lanoline


lanoline (ˈlænəlɪn, -ˌliːn)

/ (ˈlænəlɪn) /


a yellowish viscous substance extracted from wool, consisting of a mixture of esters of fatty acids: used in some ointmentsAlso called: wool fat

Derived forms of lanolin

lanolated (ˈlænəˌleɪtɪd), adjective

Word Origin for lanolin

C19: via German from Latin lāna wool + oleum oil; see -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for lanoline

[ lănə-lĭn ]


A fatty substance obtained from wool and used in soaps, cosmetics, and ointments.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for lanoline

[ lănə-lĭn ]

A yellowish-white wax secreted by the sebaceous glands of sheep to coat wool. Lanolin is composed of esters and polyesters of almost seventy alcohols and fatty acids. Since it is easily absorbed by the skin, it is used in soaps, cosmetics, and ointments.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.