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
short for ichthyophthirius
Also called ichthyophthirius, ichthyophthirius disease.
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