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The Collaborative International Dictionary
Ichthyophthira

Ichthyophthira \Ich`thy*oph*thi"ra\, n. pl. [NL., fr. Gr. 'ichqy`s, -y`os, a fish + ? a louse.] (Zo["o]l.) A division of copepod crustaceans, including numerous species parasitic on fishes.