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Definition of Ichthyol
1. n. An oily substance prepared by the dry distillation of a bituminous mineral containing fossil fishes. It is used in medicine as a remedy in some forms of skin diseases.
Definition of Ichthyol
1. Noun. (medicine) The ammonium salt of bitumen sulfonate; used to treat some forms of skin diseases ¹
¹ Source: wiktionary.com