ichthyology

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

Examples of ichthyology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 Marine organisms maintain the same temperature as the surrounding water, so when that when temperature increases, so does the temperature of the organism, Martin Grosell, professor of ichthyology and chair of the University of Miami's Department of Marine Biology and Ecology, told ABC News. Julia Jacobo, ABC News, 8 June 2022 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 According to Luiz Rocha, co-author of the study and ichthyology curator for the California Academy of Sciences, the team had aimed to go back this year for more sampling with support from the National Geographic Society, but the trip was cancelled due to the ongoing political conflict. Christie Wilcox, Discover Magazine, 8 May 2015

Word History

First Known Use

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 9 Sep. 2025.

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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