Ichthyophthiriasis, a parasitic infection of freshwater fish caused by the ciliate Ichthyophthirius.
"The medical report indicated that the patient's condition was classified as ich, which stands for intracranial hemorrhage."
Initialism of intracranial hemorrhage.
"The children were playing with their new ich toys in the park."
Usage: Ich refers specifically to white spot disease in aquariums and should not be confused with general water quality issues or other parasites. Use this term when diagnosing the distinct cotton-like spots on freshwater fish that indicate an active infestation of Ichthyophthirius.
I.
"Ich gehe heute spazieren."
literal transcription of Freud’s German-language psychological term “Ich”, more often termed ego in English. See ego.
"In psychoanalytic theory, the concept of Ich represents the structured part of the mind that mediates between instincts and reality, a notion directly transcribed from Sigmund Freud's original German terminology for what is commonly called the ego in English."
The word "ich" comes from Old English and originally meant the pronoun "I." It traces its roots back to the Proto-Indo-European language, where it referred to the same concept.