denticle

noun

den·​ti·​cle ˈden-ti-kəl How to pronounce denticle (audio)
: a conical pointed projection (such as a small tooth)

Examples of denticle 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.
One 2019 study assessed the effects of pH on shark skin denticles, specialized, scale-like structures embedded in shark skin made up of the same material as their teeth that aid sharks’ hydrodynamic and efficient movement through the water. Lauren Leffer, Popular Science, 27 Aug. 2025 According to new research, the secret to its distinctive hue lies in its tooth-like scales, called dermal denticles, which contain guanine crystals and melanosomes that reflect and absorb wavelengths respectively. Rosie McCall, Discover Magazine, 14 July 2025 Just like real dermal denticles, these riblets guide airflow in a way that minimizes turbulence and resistance. Melissa Cristina Márquez, Forbes.com, 26 Apr. 2025 By attacking them from below, the orcas avoid the whale sharks' tough dorsal skin that has denticles embedded on the outside, with thick connective tissue beneath it. New Atlas, 29 Nov. 2024 See All Example Sentences for denticle

Word History

Etymology

Middle English, from Latin denticulus, diminutive of dent-, dens

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of denticle was in the 14th century

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Cite this Entry

“Denticle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/denticle. Accessed 10 Sep. 2025.

Medical Definition

denticle

noun
den·​ti·​cle ˈdent-i-kəl How to pronounce denticle (audio)

More from Merriam-Webster on denticle

Last Updated: - Updated example sentences
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