ich

[ik]

noun

a disease of tropical fishes, characterized by small, white nodules on the fins, skin, and eyes, caused by a ciliate protozoan, Ichthyophthirius multifiliis.

Origin of ich

Also called ichthyophthirius, ichthyophthirius disease.

ichthyophthirius

[ik-thee-of-theer-ee-uh s]

noun

Origin of ichthyophthirius

< New Latin, the protozoan genus causing the disease, equivalent to ichthyo- ichthyo- + -phthirius < Greek phtheír louse
Also called ichthyophthirius disease.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019