anisakid

noun

an·​i·​sa·​kid ˌa-nə-ˈsā-kəd How to pronounce anisakid (audio)
plural anisakids
: a nematode of the genus Anisakis
The anisakids are likely to be about the size of a straight pin, but somewhat coiled.Harvard Medical School Health Letter, March 1989
often used before another noun
The most common culprits they see in marine fish are anisakid roundworm larvae.Claire Panosian Dunavan, Discover, March 2009

Word History

Etymology

anisak(is) + -id, probably after the New Latin family name Anasakidae

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of anisakid was in 1976

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Cite this Entry

“Anisakid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anisakid. Accessed 16 Dec. 2025.

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