ichthyology

1 of 2

noun

ich·​thy·​ol·​o·​gy ˌik-thē-ˈä-lə-jē How to pronounce ichthyology (audio)
: a branch of zoology that deals with fishes
ichthyological adjective
ichthyologically adverb
ichthyologist noun

ichthyological

2 of 2

adjective

ich·​thy·​o·​log·​i·​cal
1
: of or relating to ichthyology
2
ichthyologically adverb

Examples of ichthyology in a Sentence

Recent Examples on the Web
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Noun
For nearly half a century, this shark existed as little more than a footnote in ichthyology. Melissa Cristina Márquez, Forbes.com, 28 Aug. 2025 The species was named in honor of Ivo Silva dos Santos for his contributions to ichthyology. Real-Time News Team, Miami Herald, 9 May 2025 These included collection managers across disciplines, including anthropology, archaeology, botany, geology, ichthyology, entomology, herpetology and paleontology. Bradley Wade Bishop, The Conversation, 17 Mar. 2025 Katherine Maslenikov, the museum’s ichthyology collections manager, was hesitant when Wood first approached her with the idea. Rachel Nuwer, Scientific American, 28 Apr. 2022 In what might be considered a mixed message outside of the ichthyology world, scientists have named a new species of cavefish after the Indiana University Hoosiers. Elizabeth Preston, Discover Magazine, 3 June 2014

Word History

First Known Use

Noun

1646, in the meaning defined above

Time Traveler
The first known use of ichthyology was in 1646

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Cite this Entry

“Ichthyology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ichthyology. Accessed 6 Jul. 2026.

Kids Definition

ichthyology

noun
ich·​thy·​ol·​o·​gy ˌik-thē-ˈäl-ə-jē How to pronounce ichthyology (audio)
: a branch of zoology that deals with fishes

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