A natural mixture of hydrocarbons of high molecular weight; a substitute for beeswax, also used in dentistry for impressions. SYN: cerin, cerosin, earth wax, mineral wax (2), purified ozokerite.
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cer·e·sin 'ser-ə-sən n a white or yellow hard brittle wax made by purifying ozokerite and used as a substitute for beeswax
Medical dictionary. 2011.