lanolin

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics
noun an emollient containing wool fat (a fatty substance obtained from the wool of sheep)

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

=jubre=, f., grease in wool in its natural state; lanolin. — The Spanish American Reader, Ernesto Nelson
The oil, commonly called "grease," or "yolk," is an important article of commerce; under the name of "lanolin" (adeps lanæ) it is used in medicine and pharmacy as a basis for ointments. — Commercial Geography: A Book for High Schools, Commercial Courses, and Business Colleges, Jacques W. (Jacques Wardlaw) Redway

wool fat, wool grease

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