ammonoid

noun

am·​mo·​noid ˈa-mə-ˌnȯid How to pronounce ammonoid (audio)
: ammonite
Mesozoic ammonoids

Examples of ammonoid in a Sentence

Recent Examples on the Web Boyajian and Lutz determined the fractal dimension of 615 ammonoid sutures, one from each of 615 different ammonoid genera. Lori Oliwenstein, Discover Magazine, 11 Nov. 2019 Then why are the most complex ammonoid sutures also the later ones? Lori Oliwenstein, Discover Magazine, 11 Nov. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ammonoid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of ammonoid was in 1866

Dictionary Entries Near ammonoid

Cite this Entry

“Ammonoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammonoid. Accessed 4 Oct. 2024.

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