from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A contagious disease of tropical marine and freshwater fishes, caused by a protozoan (Ichthyophthirius multifiliis) and characterized by small white pustules on the skin and eyes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- pro. I.
- n. Ichthyophthiriasis, a parasitic infection of freshwater fish caused by the ciliate Ichthyophthirius
from the GNU version of the Collaborative International Dictionary of English
- pro. I.
from The Century Dictionary and Cyclopedia
- A form of I, the nominative of the first personal pronoun, in the southern dialect of early English, and occasionally found in the midland dialect.
- A Middle English form of each.
- n. An abbreviation of ichthyology.
Short for New Latin Ichthyophthīrius, genus name : ichthyo- + Greek phtheir, louse.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English ich, from Old English iċ ("I", pronoun), from Proto-Germanic *ek (“I”, pronoun), from Proto-Indo-European *éǵh₂ (“I”). See also ch-, I. (Wiktionary)
Shortening of ichthyophthiriasis. (Wiktionary)