Defn: 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.

ICHTHYOLATRY
Ich`thy*ol"a*try, n. Etym: [Gr.

Defn: Worship of fishes, or of fish-shaped idols. Layard.

ICHTHYOLITE
Ich"thy*o*lite, n. Etym: [Gr. -lite.] (Paleon.)

Defn: A fossil fish, or fragment of a fish.

ICHTHYOLOGIC; ICHTHYOLOGICAL Ich`thy*o*log"ic, Ich`thy*o*log"ic*al, a. Etym: [Cf. F. ichthyologique.]

Defn: Of or pertaining to ichthyology.

ICHTHYOLOGIST
Ich`thy*ol"o*gist, n. Etym: [Cf. F. ichthyologiste.]

Defn: One versed in, or who studies, ichthyology.

ICHTHYOLOGY
Ich`thy*ol"o*gy, n. Etym: [Gr. -logy: cf. F. ichthyologie.]