(n.) In early Christian and eccesiastical art, an emblematic fish, or the Greek word for fish, which combined the initials of the Greek words /, /, / /, /, Jesus, Christ, Son of God, Savior.
Example Sentences:
Ichthyology
Definition:
(n.) The natural history of fishes; that branch of zoology which relates to fishes, including their structure, classification, and habits.
Example Sentences:
(1) In the course of ichthyological inventory investigations in the main water-course of the Narew River the occurrence of Tracheliastes polycolpus Nordm.