anhydrous lanolin

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an·hy·drous lan·o·lin

lanolin that contains not more than 0.25% of water; used as a water-adsorbable ointment base.
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(lan'o-lin) [L. lana, wool]
The purified, fatlike substance obtained from the wool of sheep; used as an ointment base.

anhydrous lanolin

Wool fat.
Medical Dictionary, © 2009 Farlex and Partners