Ichthyol
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The ammonium salt of sulfonated bitumen; used to treat some forms of skin diseases countable, uncountable
Etymology
Ancient Greek ἰχθύς (ikhthús, “fish”) + -ol, since it is an oily mixture prepared by dry distillation of a bituminous mineral containing fossil fishes.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.