ichthammol

American

[ik-tham-awl, -ol, ik-thuh-mawl, -mol] / ɪkˈθæm ɔl, -ɒl, ˈɪk θəˌmɔl, -ˌmɒl /

noun

Pharmacology.

a viscous, reddish-brown to brownish-black substance, obtained by the destructive distillation of bituminous shales, used in medicine chiefly as an antiseptic, analgesic, and local stimulant in skin disorders.

1905–10; ichth(yo)- (from ichthyosulfonate ) + amm(onium) + -ol ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023