"the science of fishes; the department of zoology which treats of fishes," 1640s, from ichthyo- "fish" + -logy. Related: Ichthyologist; ichthyological.
ichneumon
ichnolite
ichnomancy
ichor
ichthyo-
ichthyology
ichthyomorphic
ichthyophagous
ichthyosaur
ichthyosis
icicle
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