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ich

[ik]
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noun
  1. 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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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